David Hale had a library full of werewolf law books. Apparently this was a small collection according to Derek, who had studied werewolf law when he went away. Stiles imagined Werewolf College; he pictured a full moon with a wolf howling and a frantic woman running away as the college logo, a college square with a water fountain and a wolf howling at the skies, a campus crawling with snarly wolves… Derek sat at his grandfather's desk as he flipped through one of the books looking for something in particular. Amy had latched onto Stiles almost as soon as they arrived, her tiny hand in his as she followed them into David's study.

Derek stood up to find another book and his finger touched something. He paused and looked over his shoulder for a second. 'You might like this.' He said handing it to Stiles.

'Is it the Cliff Notes on werewolf history?' Stiles joked.

'Actually yes.' Derek said. He pulled out a book. 'Hey Amy, when Peter touched Stiles's neck did you see his face?'

'Yes.' She said with a frown. Stiles suspected she didn't want to get into another fight.

'What did it look like? What was his expression?' Derek probed.

'He looked frustrated. Like he was angry or jealous.' Amy finally decided.

'What colour were his eyes.' Derek asked her leaning closer, his elbows resting on his knees.

'Like a violet colour.' Amy nodded.

'More violet than blue?' Derek asked frowning at her.

'Yes, like they were trying to change but they wouldn't. It wasn't his usual colour.' She said. Stiles watched her pick a thread on her t-shirt, twining it around her finger then letting it loosen.

'Huh.' Derek said opening a book and scanning the chapter index. 'Where's granddad?'

'In the garden with that dog the sheriff found.' Amy said rising to her feet as if she knew what was coming.

'Scoot out and tell him I want him.' Derek said. Amy looked at Stiles for a second before she headed outside. Stiles looked at Derek but he was still ignoring him, eyes focused on the book he was studying. Stiles tried to ignore the hurt in his belly, pushing it away as he watched his mate. Amy returned a few minutes later with David Hale.

'I think Peter's mind is a bit…unhinged. His eyes are bleeding and he scented Stiles here.' Derek said by way of greeting. Stiles looked up at David but the man didn't seem fazed by his grandson's attitude.

'But your scent's all over him. He had no right.' David pointed out glancing at Stiles as if to confirm what he already knew.

'Yes but I still have to honour his request don't I?' Derek asked.

'Not necessarily. Stiles are you attracted to him in any way?' David asked turning to Stiles.

'No.' Stiles said. Noting about Peter was appealing to him, his scent, his appearance, the sound of his heartbeat.

'How did he smell? Pleasant to you?' David wondered, picking a pen from the desk and twirling it through his fingers.

'Just average. Nothing stuck out if that's what you mean.' Stiles said.

'Boy has no feeling back.' David said to Derek. Derek's eyes slid over Stiles.

'Hey Amy, grab us a soda each will you?' Derek said.

'What did your last slave die of?' She snapped.

'Insubordination.' Derek growled at her. She squeaked and giggled before running away. 'What's the punishment for…paedophilia?'

'Derek Stiles is seventeen. That's legal for wolves. He's reached his majority.' David said with a frown.

'I know that. I'm just curious.' Derek said keeping his eyes on the books in front of him.

'Depends on the circumstances and the family. Usually removal of certain appendages, other tortures.' David frowned at his grandson. 'Why all these questions Derek.'

'No reason Alp-Granddad, just something I come across in Texas last summer.' Derek said, resting his chin on the heel of his hand.

'Texas packs are brutal.' David said. He sighed as he looked around the room. 'I'll need to transfer these to you. I discussed you having this house with Ellie and she loved the idea, she suggested you move in but you would hate it more here than at home. Ellie would be in your bedroom at night taking his clothes from your hand when you strip him.' David said nodding towards Stiles who was blushing furiously.

'Behave yourself or I'll send you to the garden with Carter.' Derek laughed, looking down at the page of the book on the desk. 'It says here if your father were to give you into my custody until you're twenty one then any interest or claim that's laid on you in that time is null and void because you're my property and I have the right to do with you what I want in that time, including claiming.' Derek said. Stiles stared for a moment, realising that werewolf customs were old and frightening.

'That's right. That's what my father did with his mate.' David said. Derek remembered his great grandfather's mate. The man was quiet and shy but clever. He had bright grey eyes and was always smiling. He had died when Derek was nine.

'Couldn't my father refuse to allow claims to be laid on me?' Stiles asked.

'Then I won't be able to claim you. It's a no anyway because you're free to be wooed by whoever takes the notion. This way your father has already decided that yes you'll probably be claimed by me and he's happy for that to happen.' Derek explained thoughtfully.

'You werewolves are complicated.' Stiles said. Amy appeared with soda and sandwiches.

'You're a werewolf.' She said poking his belly.

'Don't remind me.' Stiles said grabbing a sandwich and tearing into it with a roar. Amy laughed.

Stiles and Amy followed Derek home an hour later, each carrying a small pile of books. They were putting them in Derek's room when the doorbell rang. Since half the family was downstairs no one bothered to do anything. Amy was busy finding the places Derek had marked, leaving them open with the notes in the right places while Stiles set the book he'd been loaned on the bed. It went on his to do pile along with three days' worth of homework, getting his jeep fixed, buying more stuff because he only had basics, ordering a lacrosse uniform and wondering what the hell happened to get him into this situation in the first place.

'Derek could you come down here.' Linda called from downstairs. 'You have a visitor.'

'Fucking family.' Derek muttered getting to his feet. Stiles and Amy followed him because it was almost dinner time anyway and they were hungry. Stiles didn't expect to see the hot blond girl from the pictures on Derek's laptop hugging him. Derek was smiling and hugging her back.

'Oh my god this must be Amy, I've heard so much about you. You're big brother adores you.' She said coming forward and pulling Amy into a hug. She let go and looked Stiles up and down. 'You I don't know.' She said dismissing him instantly as not important. Stiles had been around Lydia long enough to know that tone off by heart.

'Who are you?' Amy asked. Derek was whispering something to his mom that Stiles couldn't make out.

'I'm Gemma silly bean. Derek's girlfriend.' The blond girl said, pinching Amy's cheek.

'Wow.' Amy said. Gemma preened at that, obviously thinking Amy was complementing her looks. 'This is going to really awkward because this here is his boyfriend.' Stiles looked over Gemma's shoulder at Derek. His face was a picture, torn between fright and guilt and wanting to laugh at his little sister.

'Dinner's ready.' Laura called from the kitchen.

Awkward indeed.

XXX

Instead of eating, which was one of Derek's favourite things in Stiles estimations, Derek took Gemma upstairs to talk to her. Stiles wasn't too bothered but he still felt uncomfortable knowing his boyfriend was upstairs in a bedroom with a hot girl he'd been dating and sleeping with for ages while he sat her swapping his carrots with Amy for her parsnips.

'Well this is awkward.' Laura said. She had plonked herself beside Stiles.

'Where are Me-Steve and the kids?'

'Oh you are most definitely Derek's bitch if you were going to call Steve Meathead. They're at his mother's.'

'Why are you here?'

'When you piss me off enough I'll take you to meet her.'

'Fair point.' Stiles said. 'What's awkward?'

'Him and her upstairs. Don't you just wanna go up there and barge into the room and say 'mine bitch, get your own grumpy bastard' and tug your shirt off in the process?'

'He's not that grumpy.'

'He threatened to collar you.' Laura pointed out.

'You threatened to buy him the collar for me.'

'I was angry.' Laura shrugged. 'You forgave me.'

'Did I?'

'You wouldn't be talking to me if you didn't.'

Stiles sighed and finished his food. He followed the family into the den where they all curled around the fireplace and proceeded to trade insults. Amy leaned against him playing with her iPad while Laura sat on the floor by his feet. Even Judith was hovering on the arm of the couch he was sitting on. When Carter shoved Amy's feet out of the way he figured some sort of "surround Stiles but don't tell him why" game was going on. Derek was still upstairs and by now Stiles's mind had went from mildly curious to picturing the make-up sex they were having. Or break up sex. Or make up sex after break up sex after they decided to break up then get back together.

God Stiles really needed to have sex. He leaned his head against the cushions and glared at the wall.

'Do you think he'll take her as another mate?' Carter asked from his place on the sofa.

'Another mate?' Stiles asked as Laura snapped 'Don't be stupid.'

'Yes. Alpha's can have more than one mate. Especially because you're a dude, Derek can go off and choose a female to breed with.' Judith explained. Laura dug her elbow into Judith's leg. 'What Laura!'

'Granddad did it.' Carter said. Amy and Stiles turned to look at him. 'What? It was when we were kids. I remember Uncle Daniel told me that the woman Granddad was talking to in the garden was his other mate.'

'Well he left her.' Laura snapped. 'Derek wouldn't do that.'

'Are you sure. He had a hell of a time in LA. Get him and his friend Simon drunk enough and they'll tell you all about sharing girls and boys and…Ouch!' He said as Laura kicked him viciously in the leg.

'Now is not the fucking time Carter.'

'Language Laura.' Linda said coming into the room. 'What are you fighting over?' She asked looking at them piled onto the sofa.

'Nothing.' Carter said eying his older sister.

'Good.' Linda said taking a seat and lifting her knitting from the basket beside her chair.

Stiles closed his eyes and tried to fight what he just learned from his mind. He really wanted to get up and run but he had a feeling that he wouldn't even make it onto his feet before he was dragged back. His eyes were heavy and he felt himself drift off. He dreamed of Peter. Peter was telling Stiles what a catch he would be.

'I'd bathe you in my love, Stiles, there would be none of this tugging you around behind me, you would walk by my side. You would hold my hand and we won't part when family are around. I'll not shout at you, we'll discuss problems, like adults, like partners. I'll look after you, our pack will be well looked after. We'll be a family. I'll make love to you, gently, faithfully every day. I'll take no other mates as most Alpha's do; no it'll just be you and me. Forever wrapped in love.'

Stiles woke with a dry feeling in his mouth. Amy was still leaning against him. Derek was standing across the room with his arms folded over his chest staring hotly. The girl, Gemma, was sitting on the couch beside where Derek was standing chatting to Linda. He wondered what she was still doing there, what was happening, if he was dumped. He glared at his silly high heels, her silly perfect hair, and her silly long nails. Ok so perhaps as Derek's mate Stiles would still be around but playing second fiddle to her...hurt and Stiles wasn't going to stand for it. His wolf whimpered at the thought of having no mate but Siles shushed him, they'd survive, they'd win Derek over the dumb blond girl.

Until they sorted this whole thing about Peter marking him or scenting him or whatever Stiles didn't know how much Derek would touch him. Was Gemma going to compensate, was Derek going to fuck her when he was supposed to be fucking Stiles. When he was supposed to be finding comfort in a mate properly instead of sloppy hand jobs and rutting together? Was she a second mate? Would Stiles just have to learn to live with it, with Gemma warming Derek's bed on occasion? Where did Stiles go when Derek wanted to have sex with her? To date her? Oh god would Stiles have to wait at home to ask his mate how his date went. He didn't think he could do that.

Frustrated Stiles eased Amy down on the sofa and stomped into the kitchen to do some homework at the table. Judith joined him a moment later, asking about the chemistry write up they had to do. Derek hovered between the two rooms, but he never spoke to Stiles, or anyone for that matter. Just stood around being his moody broody self. Maybe if Stiles seduced him he might smile more…and forget all about the blond bitch. Stiles reckoned he needed to take lessons in spite from Laura.

He thought about the dream he had, remembered Peter's words when Judith was discussing math. He half listened. Peter had clearly worked some sort of mojo to send him beautiful words about making love and having a pack. Too bad Stiles knew the guy was a total and utter bastard.

When Judith packed her bag up, Stiles did too. He was mostly caught up with his work. Gemma was still chatting away in the living room, and she totally ignored him when he flopped onto the couch opposite her. Clearly she didn't see him as a threat. 'We'll see about that.' Stiles muttered to himself.

'What?' Laura asked from her seat beside him.

'Nothing.' Stiles said. 'I'm going to bed.'

'I'm tired too.' Gemma said stretching her arms and smiling at Linda. 'Derek will you take me upstairs.

'Why are your legs broke?' Stiles asked. His voice was low enough that she didn't hear him, but Laura did, bust out laughing while Derek scowled at them.

'Do you want me to take you upstairs cutie pie?' Laura asked pinching his cheek.

'You couldn't handle me.' Stiles smirked.

'Woo hoo.' Laura grinned fanning herself. 'Getting some balls there are you, kinky pup?'

'I've been known to use them.' Stiles said standing up and twisting the creak out of his neck. Gemma stood too and held her hand out to Derek. Derek took her by the elbow and pushed her forward. Stiles grinned as he trotted up the stairs. He knew Derek had been listening to the conversation between himself and Laura, prayed it had worked. He stepped into their bedroom and left the door open a fraction of an inch. He paused and peeked out the crack of the door as they walked past, stopped at the guest door while Gemma went in. Stiles watched her manicured hand come back out and tug Derek's shirt. Derek looked down at her hand then back at her as he stepped inside and closed the door behind him.

Stiles kicked the bedroom door and snarled. He wanted to hurt her, to remove her from the house and send her back the way she came. It was the scent of Peter, Stiles knew it was. Derek hadn't touched him other than to scent mark him. Stiles scratched his neck where Peter touched him, then dove into the laundry hamper. He found a dirty t-shirt of Derek's from his workout this morning and a pair of dirty boxers. Taking them to the bathroom, Stiles went into the shower. He didn't have his favourite products yet but Derek's stuff was there. He washed himself twice, making sure to use big handfuls of shower gel, Derek's shower gel.

When he finished he dried himself off and rubbed Derek's dirty clothes all over his body to cover himself in his mates scent before pulling the t-shirt over his head. He tugged the boxers on and stepped into the bedroom. Derek was there, changed into a pair of sleep pants. His chest was bare. He was lounging in bed with Stiles' backpack open, looking at Stiles' algebra homework. Stiles stalked to the bed and made sure to roll himself obnoxiously across Derek to get to the inside of the bed. He made a show of climbing under the duvet before he got himself comfortable.

'You got this wrong.' Derek said shoving the book under Stiles' nose then correcting it himself.

'Why's she still here?' Stiles asked pointedly ignoring Derek checking his work like a fucking parent.

'She drove all the way here from LA. It's too late to drive back.' Derek said chewing on the end of the pencil as he looked over the stupid equations.

'Why did you go into the bedroom with her?' Stiles asked keeping his voice even. He did not want to sound like a jilted lover.

'To say goodnight.' Derek finally lifted his eyes from the book in his hand.

'And how did you say goodnight. With your tongue?' Stiles wondered, lacing his fingers behind his head and looking up at the ceiling.

'I used the two words good and night together, and yes my tongue was part of the equation. Helped me form the words.' Derek deadpanned.

'Why did you spend hours upstairs with her earlier?' Stiles muttered. He felt a hint of hurt creeping into his voice, hated himself for it.

'To tell her that our relationship was over and apologise for cheating on her. With you.' Derek said poking Stiles on the shoulder.

'Do you love her?' Stiles asked ignoring the finger trying to get his attention.

'No. It was all friendship and sex. More sex than anything else.' Derek said truthfully. He took a breath as if to say more then thought better of it.

'Does she love you?' Stiles asked finally. He picked at a bit of rough skin on his fingers and angled his body towards Derek's.

'I may have lead her on unintentionally.' Derek admitted softly. Stiles could imagine him in LA, all smiles and teases, holding a drink and sweeping the girls into his radar with his smouldering hot looks.

'We're friends right.' Stiles said.

'You could say that.' Derek said like he wondered where Stiles was going with the conversation.

'But we've yet to have sex.' Stiles pointed out.

'You know things are awkward because of…' Derek tired.

'I'm in your custody.' Stiles cut him off.

'No you're not.' Derek pointed out.

'Do you want me to go call Dad and make a verbal agreement? Now? Because you will fuck me tonight?' Stiles said sitting up and looking at Derek.

'Stiles…'

'No. I dreamt about Peter on the sofa earlier. He told me he'll make love to me every day, he'll treat me as an equal; he'll do p.d.a's. He told me he would worship me.' Stiles pleaded.

Derek growled at Stiles's words, twisting so he was lying on him. 'You smell like me.' His voice was suddenly possessive.

'I fucking hope so because I lathered myself in your shower gel and I'm wearing your dirty sweaty clothes.'

Derek dropped his head and kissed Stiles. 'I promise when you're dad gives you to me, I will fuck you so hard that you won't know your own name. Until then, behave yourself. We'll do the contract tomorrow.'

'Are you going to claim me tomorrow?' Stiles asked.

'No.' Derek said pulling Stiles against him. 'Don't huff.'

'I want you to.' Stiles whined kissing Derek's jaw. 'I want you to do it now.'

'Oh I'm going to fuck you, I'm going to fuck you until your blind, but I can't claim you.' Derek warned.

'Why?'

'Do you want to make it to school the rest of the week?' Derek growled. Stiles shivered against him. 'Now sleep. I'm fucking exhausted.'

Stiles didn't agree with the idea of sleeping, he rolled on top of Derek to kiss him. 'Can't we just make out for a while?' Stiles whispered grinding his hips against Derek. Derek dropped Stiles's homework onto the floor and Derek wrapped his arms around Stiles to pull him closer, licking into his mouth and kissing him while running his hands under his own shirt that Stiles was wearing.

He tugged on the hem dragging it off his body so he had freedom to kiss his neck and shoulders, making him shiver when he found a sensitive patch of skin. Stiles ground his hips against Derek and groaned when Derek's hands found his bum, squeezing his cheeks and brushing a finger over his hole.

Before he knew what was happening Stiles was face down on the bed, his ass in the air as Derek spread his cheeks and ran his thumb over his tight hole again. The he leaned forward and pressed his lips against the dry skin there. He did it again, only this time he allowed the tip of his tongue to touch Stiles. Stiles whined and pushed back, reaching a hand back to hold one cheek while Derek held the other.

Derek groaned at the sight of his mate like this for him, holding himself open with his ass in the air. Derek made sure Stiles was completely wet before edging his tongue inside his mate, thrusting to the widest part. He groaned at the taste, it was pure Stiles. It was so real and natural. When his tongue was buried deep inside Stiles he brought a finger to Stiles and worked that in alongside his tongue. Stiles moaned and whined and pushed back onto Derek.

'More.' Stiles begged. Derek complied, slipping another finger in. He crooked them to the side and Stiles twitched, clenching and moaning. 'Yes, fuck, do that again.' Derek did crooking his fingers as he reached around and wrapped his hand around Stiles cock.

Derek kept working his fingers into Stiles while he jerked his cock. 'Please, more, yes so fucking good, oh fuck yes…' Stiles babbled. 'I'm gonna please, yes, oh fuck, oh Derek…'

Derek smirked when Stiles started to clench around his fingers, wondering what he would feel like around his cock. He jerked his wrist faster, adding a twist every time he reached the head. Stiles tensed and came, shooting all over Derek's fist and his own belly. His legs shook a second before he fell forward. Derek pulled his hand away from Stiles cock, licking it clean before leaning forward to kiss Stiles cheek and mouth.

Derek straightened up and pressed his cock between Stiles cheeks canting his hips against Stiles plump ass. 'So fucking wanton aren't you baby.' Derek growled in Stiles's ear as he ground against him. Stiles twisted around to try to kiss Derek, it was awkward and messy but it was so good. Derek was tight on top of Stiles, his weight almost crushing him as he rutted his cock between Stiles' cheeks. 'Fuck.' Derek hissed again reaching his hand down. He jerked his cock a few times before coming, his seed landing on Stiles' back and ass.

Derek rolled, collapsing on the bed beside Stiles, rubbing his cum into Stiles' back as they lay there. 'We can't sleep naked.' Derek said.

'Pushy family.' Stiles grinned rolling out of bed and grabbing Derek's sleep pants from where they landed. He opened a drawer and grabbed a clean pair for himself before sliding back into bed beside his mate.

'If I can't find the property section tomorrow I'm going to the hardware store for a lock for that door. A deadbolt.' Derek decided pulling Stiles close to his body. 'Sleep baby. We've had a long day.'