Wow, I'm seriously overwhelmed by the response this fic has gotten. I'm assuming the influx of new stories and new reviewers is down to the awesomeness that was Jacksonville? Whatever the reason, I'm grateful for everyone who took the time to read and review the prologue.

To answer a question that appeared in a review, no I don't think I'm going to make this fic an M, quite simply because I've never written one before and while there's a first time for everything, I've already mostly decided what's happening in this story.

Oh and in case anyone is wondering, this fanfic is set between Snakehead and Grey Matters.

Chapter 1

Although she'd volunteered to ask the first question, Olivia had to pause to think of what she wanted to ask. She had been sitting with her back against a cold, concrete wall, sitting cross legged on the floor, in an exact reflection of Peter's position, but now she stretched her legs out, so that they lay along the floor, not quite reaching Peter and she cast her eyes around the room, looking for inspiration.

It was slightly bigger than she'd originally given it credit for. Shelves lined the wall Peter was sitting against, beginning just above his head. There was a desk to her right and his left with one solitary chair she would sit in if the floor got too uncomfortable, but for now at least she liked being on an even footing to Peter. The room wasn't wide- if her feet were nearly touching Peter, then his long legs would nearly reach her wall if he stretched himself out fully- but it was long enough to lie down in if someone didn't come looking for them that night.

"Come on Dunham" Peter remarked impatiently, "Surely there's something you've always wanted to know about me…" There was certainly plenty she wanted to ask, but she regretted taking the first question, realising now that he was waiting for her to set the tone- she would be the one to dictate just how personal this little game was going to be. Without knowing why, she recalled what Peter had said to her, when she'd displayed open astonishment at just how well he spoke Chinese, and suddenly her first question became obvious,

"What languages do you speak?" he looked surprised that she'd opened with something so innocent, which immediately made her wonder what kind of questions he was in the mood to ask. He answered, however without passing remark,

"English obviously, French, Spanish, German, Persian, Cantonese, Mandarin, a bit of Russian, Arabic and enough Kurdish to get by" he rhymed off, but he had the look on his face where it looked like he was trying to recall if there were any more, "Oh and Klingon."

"Klingon?" she snorted, and looked up at her, a playfully hurt expression on his face

"Hey, the rules say we have to be completely honest." He looked at her thoughtfully for a moment, before he asked,

"Do you have a best friend these days?" she gave him a surprised smile. She had been expecting a lot worse from him than a throw back to a conversation they'd had over a year ago.

"Yes" she answered simply, because that was all he'd asked for. He frowned, knowing that he'd phrased his question wrong, but well aware that he could do nothing about it now

"Who's your best friend?" she asked, picking up from his train of thought, genuinely curious what sort of company he kept outside of the lab

"I don't know. You, probably" he said in a casual tone that didn't match the sincerity in his eyes, "How are Rachel and Ella doing? The last time I saw your sister, we were visiting you in the hospital."

"She's doing okay. Things are better between her and Greg," He gave her an odd, disbelieving look, so she quickly corrected, "I don't mean they're getting back together or anything like that, but they're not fighting over custody either." Peter nodded, seemingly satisfied with her answer, and for some unknown reason, it stung. She had never liked the idea of her sister and her partner socialising, but she had never been able to pinpoint exactly why that would be.

She glanced up at him, wondering if she could ask what she desperately wanted to, or if it would be crossing some sort of unknown line. Meeting his eyes, she saw amusement dancing there, and it was that that forced the question from her,

"Did you sleep with Rachel?" his lips twitched into a half smile that she could see he was trying very hard to quash as he said one word, very firmly and very clearly,

"Veto." His eyes flitted around the room, as if searching for inspiration before he asked,

"What did you major in?" It was a very deliberate change of topic, and it only infuriated her more.

"Psychology" she answered quickly, before she quickly fired out her next question,

"Did you ever kiss Rachel?" There was a long silence, before Peter finally spoke,

"Does it matter?" she opened her mouth to argue, but he sighed and answered, "Yes, I kissed her, but it was a long time ago now." Just under a year ago didn't seem quite so long to Olivia, but she let that part go. He had been obviously eager to leave this particular topic behind, and that only confirmed what Olivia had long since suspected- he had indeed screwed her sister. Probably without so much as a thought about how it would affect her too. It hurt, but she tried to forget about it, at least until they both got out of the room, otherwise it would make things too strained between them.

"What's this fascination with me and Rachel?" he asked, in a way that reminded all too much of the time he'd asked her if it bothered her that he was 'friends' with her sister.

"She deserves better" she replied coolly. He didn't appear to be shocked by her answer, but his voice was stony when he asked,

"Than?"

"Greg was unreliable, but you'd be a thousand times worse, Peter. You and I both know what a responsibility the Fringe Division can be and Rachel doesn't deserve to be stood up because you're stuck chasing down the latest monster with me."

"Oh" that wasn't the answer he'd been expecting, clearly, but she supposed that it wasn't the answer she'd been intending on giving until a few seconds before she spoke. Regardless, she'd answered without hurting his feelings, which had been the main goal anyway. However this game was turning out to be far from the light distraction she had anticipated, and so with her next question she tried to pull the conversation in an altogether better direction,

"Who was your first crush?"

"Princess Leia" he answered, without embarrassment or hesitation, a smile playing over his lips at the memory, "But I'm sure you could have guessed as much" she nodded in agreement, but it was the first thing she'd thought of to lighten the mood,

"What age did you have your first kiss?"

"Real kiss?" she asked, and he nodded in confirmation. She took a moment to think, and frowned, wondering if she could really be that old,

"Seventeen" she finally confessed, and although that seemed awfully old, he didn't seem surprised. She supposed that in many ways, he'd been as lonely as she in childhood,

"What age did you lose your virginity?" she tried, knowing he would go there next if she didn't.

"Fifteen" she couldn't prevent her brows from shooting to the roof, and he laughed in a self depreciating way, "Hey, in case you haven't guessed already, I was one screwed up kid. I take it you expected something else?" she nodded without quite knowing why.

"And I'm also guessing you waited for someone special?" he continued, without the hint of mockery she would expect from a cynic such as himself, and she nodded again, "So what was the lucky boy's name?" She wondered if he was running out of questions or merely giving her a breather, but she was grateful for either.

"Joshua" Although she appreciated the easy question he had given her, a brilliant one to ask just occured to her. One that would hopefully make him just as uncomfortable as she'd felt when she'd told her he'd kissed Rachel, while perhaps allowing her to work out if he had really slept with her sister.

"When was the last time you had sex?" she asked, smiling at him darkly. A mildly horrified look flickered over his face before the poker face came down, and he answered with a false calm

"Veto"

"You've already used yours" she reminded him, wondering why he was so worried about telling her. Unless the answer was either a ridiculously short time ago, or if it was a lot longer ago than she'd expected.

"Fine, I never slept with Rachel, happy?" He snapped, sounding more annoyed at her than she felt he had reason to be, but she was indeed happy to hear his answer, she really truly was, for reasons she wasn't quite prepared to admit to herself

"Veto" he reiterated and she was so pleased, she felt inclined to let him away with his blatant bending of the rules, just this once.

"Okay." She sighed. Sensing her good mood, Peter's irritated expression evaporated and he gave her a cheeky smile before asking,

"When was the last time you had a sex dream?"

"Peter!" she complained, but he was unforgiving,

"If you don't want to answer it, don't. But don't forget you only get one veto." She supposed she'd brought it on herself by asking him about his last time, but it didn't make her feel any less embarrassed. She wanted to use her veto, but she sensed he had something a lot worse planned for her, and so she realised she'd better save it for later

"Friday night" she admitted, through gritted teeth, and for the second time since she'd met him, his smile reminded her of the Cheshire Cat's.

"Starring who?" he asked, a light teasing in his tone. She almost vetoed, before she realised that he was playing out of turn, and now he had unwillingly given her the advantage,

"It's my turn, not yours." She saw his smile waver a little, "Same question." He glanced at the floor, before trying weakly

"I suppose you won't accept a veto?"

"Nope" this time it was her turn to give a smile that could light up the room, absolutely loving this turn of events.

"You" he finally replied, looking her straight in the eye as he spoke. Before she'd even asked, she'd somehow known that would be his answer, but it still managed to bring a pink tinge to her cheeks that matched his. He was the first to break the eye contact, as he looked at the floor when he asked,

"Was John your first love?" she shook her head in response,

"No, that was Lucas." His brows knitted together, and she saw him mentally trying to place the name. For some reason, she was none too keen for him to remember how they'd recently spent some time in Germany together, and so she spoke quickly, aiming to divert his attention from her ex lover.

"How many times have you been in love?"

"Three," he sounded distracted, clearly still thinking about Lucas, before he gave up,

"Where have I heard that name before?"

"He was my liaison in Germany that time I went to interview Jones" she admitted, and as expected, she noticed something very much akin to jealousy flicker behind his eyes. Feeling oddly daring, she asked, not without recognising the irony

"Does that bother you?"

"A little" he confessed, in an answer that was a lot more honest than one she would have given him under similar circumstances, "But I suppose how much it bothers me depends on what happened that night…"

"Is that a question?" she asked, and he paused to consider it, before agreeing

"Yes, I suppose it is."

"We kissed, you called, we got back to work." She summarised, leaving out the part where she never really had any intention of having sex with Lucas that evening, enjoying this new found power she had over Peter, whose eyes were darker and more jealous than she had ever seen them.

This was turning out to be a lot more fun than she'd anticipated.

This was unbetaed as usual, so all mistakes are my fault.

Chapter 2 is pretty much written and should be up on Wednesday, I think.

Please review, especially if you have any particular questions you want them to ask the other...