A/N: What can I say except everyone's continued support of this story still overwhelms me. I'm so happy so many of you are continuing to enjoy this story. I hope you enjoy the next instalment.

As always a huge thanks to Ash for her editing and letting me run ideas by her.

Chapter 12 – He's making life difficult

It had been 2 weeks since Addison and Alex had planned to see each other. However when the day arrived, Mark had changed Alex's shift so that he was to start work when Addison was to finish.

Every time since then Mark had managed to make sure Alex was working when Addison wasn't and vice versa.

Addison was getting frustrated, as well as Alex. All they wanted was to spend some time together.

"I've got 30 minutes." Alex stated as he walked into Addison's office and locked the door behind him.

"Alex." Addison said as she looked up from her computer screen.

"This is getting so ridiculous. I know we said we wouldn't 'do' anything at work, but babe it's killing me." Alex said as he walked over towards her desk.

"I know, if I didn't know better I would think that Mark was deliberately putting you on the opposite shifts as me." Addison sighed as she got up from her chair and put her arms around Alex's neck.

"I don't want to talk about him. I just want you, right now." Alex said before he attacked her lips with passion.

"Oh god me too" she murmured against his lips.

Alex manoeuvred Addison closer towards her desk as his hands travelled down her body. He lifted her skirt up towards her waist and began to touch her lightly, feeling her panties become damp with her arousal.

"I want to taste you" he murmured in her ear as he kissed her neck.

"MmmHmm" Addison muttered as she dragged her hands down his back.

Alex pushed Addison so she was sitting on the edge of her desk as he made a descent on her body. He knelt in front of her and tugged the sides of her panties to slide them down to her ankles. He kissed her inner thighs briefly before he copied his actions on her warm, wet centre.

Addison stifled her moan as Alex continued to pleasure her with his tongue. Moments later they were both interrupted by a knock then a sound of the door knob being turned. Alex stopped what he was doing when he felt Addison tense. He stood up and looked at her with both a mixture of aching desire and fear that they would be caught. When whoever it was thought that Addison was not in her office they walked away.

"God that was close" She sighed

"Yeah" Alex murmured as he pulled Addison's skirt back down.

"What are you doing?" she asked

"Well..."

"Don't even think about stopping" She smiled wickedly as she reached for the drawstring on his scrub pants.

Alex smirked back as he watched her push his pants and boxers down his legs and pull him towards her. She still sat on the edge of her desk as she wrapped her legs around him and he entered her in one swift movement.

"Oh God babe you feel as good as you taste" he murmured against her neck

"Oh Alex, harder" she moaned as he began to move harder and faster inside her.

It took no time for them to both fall into a perfect rhythm. Alex had learnt that when Addison was very close to her orgasm she began to dig her nails into his shoulders. He pulled away slightly so he could look at her, he loved to watch her come, he loved to see her beautiful face awash in the pleasure he was providing her. He also knew she would moan and scream his name as her release shook her body, so as not to miss watching her he placed two of his fingers in her mouth to muffle her cries.

Addison sucked and licked his fingers in such a sensual way that it made him groan at the erotic sight before him. He felt her muscles tense around him as she began to shake slightly. Wave after wave of pleasure flooded her body and as the last of them ebbed away, Alex released his own orgasm deep inside her, as he muttered her name into her neck.

He pulled out of her slowly and they both let their breathing return to normal as they quickly redressed.

"I don't want to leave you but I have too" Alex said

"I know. It's fine. I will call you later. I'm moving out over the weekend, so hopefully we can work something out soon."

"I hope so. I miss you and a quick fuck in the office is not what I want. You deserve so much more than that, we both do." Alex said.

"It's not what I want either but it will have to do for now. I promise Alex as soon as I'm in my own place and I can get divorced we can stop sneaking around."

"Promise?' he asked with pleading eyes.

"It's a promise." She smiled before quickly kissing him. "You better go, I'll call you soon."

"Tonight, try and call me tonight. I need to know you are okay."

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"Where the hell have you been?" Mark asked as Alex approached the OR.

"I um was having a break" Alex replied

Actually I was just having mind blowing amazing sex with your soon to be ex wife

"Yeah well, I thought you knew that as Doctors we don't get 'breaks' so I suggest you hurry up and get ready for surgery." Mark seethed

You have been with my wife, you asshole and you will regret that. The thought of you touching her makes my skin crawl you son of a bitch.

"Sorry, it won't happen again" Alex apologised

You are such an asshole I don't know what Addie ever saw in you.

"It had better not Karev. You know your work is slipping lately, and I'm not the only one who has noticed. I suggest whatever outside influences you have at the moment you get rid of them." Mark said just before he walked into the OR

I suggest you get over your infatuation with my wife and go back to wherever the hell it is you came from

"There are no outside influences and like I said it won't happen again"

Is that a threat? Does Mark know something? Well bring it on Sloan because I have no intention of letting Addison go. Period.

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A few days later, Addison had arranged to meet Alex. She was just leaving when Mark arrived home.

"Mark" Addison said as she picked up her coat

"Hi. Are you going out?" Mark asked the obvious.

"Um yeah I am."

"Addison please don't go. Look I know our marriage is over and what I did was unforgivable but I've had a rotten day and I need you."

"Mark, please I can't be that person anymore. This weekend I'm moving out. We won't be seeing each other often anymore, so you need to stop depending on me"

"Addie, I lost a patient today. A 6 year old little boy, his burns finally took his life today. His organs started shutting down and it was so heat retching. I need a friend. I need you. If I ever meant anything to you, you will stay with me tonight and keep me company"

"Oh Mark, I'm sorry about your patient. It never stops hurting when you lose someone. I know it doesn't happen to you that often which is good. I know how much this affects you, but surely you could see Derek" Addison said trying to have some compassion for the man she spent the last 12 years of her life with.

"No Addie, I don't need Derek I need you. I wouldn't ask if it wasn't really important. I promise I won't try anything. I just need your company, I want to sit and talk to you, like we used to."

Addison was confused. She couldn't forget the 12 years of history she had with Mark. Up until the last 2 years things had been perfect. She couldn't believe how happy they were. Mark needed her as a friend and she couldn't say no to him. He was hurting; she knew how personally he took it whenever he lost a patient, which luckily for him wasn't often in the field of Plastics.

"Okay Mark, I'll stay, but I'm making it very clear, our marriage is still over. Don't try and turn this into something it isn't, I'm here because I will always care about you, but that is it. I don't have romantic feelings for you anymore."

"I know Addie, I have ruined that. But thank you for staying with me tonight. Do you want me to order some dinner?"

"Sure. I have to make a phone call to cancel my plans."

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"What do you mean you have to cancel?" Alex sighed into the phone

"Alex, I'm sorry. I just couldn't leave knowing how upset he is. Please try and see this from my point of view."

"Trust me I am, but Addison surely you have to see that he is making life difficult for you. He knew you were going out, so he uses the loss of a child to get you stay with him. It's manipulation Addie plain and simple." Alex said trying to keep the anger out of his voice

"That is not true. I resent the fact that you think I am that naive as to not see when my husband is playing me." Addison said

"I didn't say that. All I'm saying is that Mark is desperate, he knows he is losing you so he is playing hardball."

"Stop with the sports references. Mark may be a lot of things but he is genuinely hurting at the moment and I do still care about him as a friend. I can't turn my back on him."

"That right there is what he is using, your kind heart and forgiving nature. I don't trust him and I can't believe you do after everything he has done."

"Okay Alex I can see we are getting nowhere here, but I don't want to argue with you."

"I don't want to argue with you either but honey you have to be careful. I'm worried that he may use this situation."

"Even if he does, you have to trust me and know that I would never let anything happen. Alex you are the only one I want to be with."

"And you are the only one I want to be with, which is why you should be here with me now." Alex said in a last ditched attempt to change her mind.

"Alex don't make this harder for me. I promise you nothing will happen, I can take care of myself and I am thinking about you" she added the last bit in a whisper.

"I'm thinking about you too." Alex said

They both hung up their respective phones. Addison returned to the living room to have dinner and a conversation with Mark. Alex put the wine back in the pantry and took the pizza into the bedroom. He sat in bed eating the pizza as he flicked through the television stations, trying not to think about Addison alone with Mark.

Alex and Addison believed their relationship was strong enough to survive what Mark threw their way. Were they right to believe that or would Mark's manipulation tear them apart?

A/N: Well I hope you liked this Chapter. I hate to say this but I will have to take a little Hiatus from this story for a while because I have some other things that need my attention right now, but I promise this is far from finished. Please be kind and review and let me know what you thought of this Chapter.