Author's Note: Okay, folks, fair warning! Things are about to heat up considerably in this story. That means mature themes and mature actions. In other words, Sarah and Jill are going to engage in some adult activities. Granted, in this chapter that stuff is fairly mild, but in Chapter 4? Be prepared.

You have been warned so if that isn't for you, best to bow out now. Trust me, I won't take it personally.

She was still relaxing on Jill's bed five minutes later when Jill finally calmed down from her hissy fit.

"All better now?" she asked with just a hint of smugness. It was nice being able to feel like the superior one for once.

Ever since she had entered Chuck's life, she always felt like she was playing catch-up, constantly fighting a rearguard action against the encroaching Bartowski storm. She rarely ever had a chance to prepare for the battle ahead because she was too busy fighting the last two battles simultaneously.

Finally, with Jill, someone else was on the defensive. Someone else was playing catch-up.

She was the one making them flustered. She was the one making them look inward. She was the one with all the power. She was the…

"I still don't believe you."

Whaaaaaa? She blinked and sat straight up, staring at Jill in open mouthed disbelief. You gotta be kidding me!

"What the hell do you mean that you don't believe me? I am telling you the truth!"

She was picking at her jeans now. It was a nervous tic that she got sometimes. Carina always thought it was amusing how she would randomly tug, pull, or adjust her clothing whenever she got nervous or out of sorts. She suspected it had something to do with the fact that she had never felt completely comfortable in her own skin.

Jill jutted her chin out in defiance and her eyes blazed intensely.

God, she thought, Jill had really beautiful eyes when she got worked up. They just seemed to…pop, like an ember in the dark. Chuck's eyes would get the same way when he was passionate about something, when he was passionate about her.

Everybody has their one thing, their it-feature, the one thing they zero in on before anything else on a person they're attracted to. Carina would proclaim—loudly—to anyone willing to listen, that she was an ass girl. Male, female, it didn't matter to her, that's what she liked.

She had always admired Carina's ability to say anything she wanted, damn the consequences. She was too afraid to tell someone she didn't even like olives on her pizza. Chuck had to go into his endearing—endearing to her, at least—stalker mode just to figure stuff like that out. She had no idea why he put up with her. Honestly, what did she possibly have to offer to a guy like him?

Bryce was a leg man. He used to always try to get her to wear short skirts. She didn't like them. They made her uncomfortable, again, probably because she just never felt…right wearing stuff like that. It was a part of her job that she rarely if ever enjoyed. Not that the skirts hadn't had their good side. Bryce always liked to slide a hand up her thigh teasingly, a promise of things to come later. But still…she much preferred the kind of outfit she had on now. The kind of outfit Chuck seemed to like her in. Simple jeans, simple shirt, simple shoes. Comfortable.

Besides, with the way Jill's own jeans seemingly kept riding lower and lower on her hips, she definitely got the appeal. She found herself daydreaming about just what might happen if they slipped down just a little bit more…

She snapped out of her daydream of falling pants with a shiver that sent stinging bolts of desire deep in her lower abdomen. She needed to focus. What was she thinking of? Oh right, Jill's eyes.

Probably not the best thing to be focusing on when she was trying not to think of sex.

She had always been partial to a person's eyes. Carina had had gorgeous eyes that made it impossible for her to ever say no to her. That was why they had ultimately never worked. She had always been pathetically weak when it came to Carina, and when she finally developed the backbone necessary to finally say no to her, Carina had not taken it well. And that was an understatement of epic proportions. But her eyes…even now they sent a shiver up her spine. They were so gray and blue that they reminded her of a storm at sea.

Bryce's eyes were like the glowing sapphires of a hawk. She had always felt like there was nowhere to hide when he looked at her, like she was already naked and her clothes simply hadn't caught onto the fact that they should have disappeared by now.

And as for Chuck? She didn't even know what to say about Chuck, except for when he looked at her, when those wonderful, beautiful eyes looked at her, her heart sped up, her stomach dropped and fluttered like on a rollercoaster, and she often forgot simple bodily functions like breathing.

Yeah, Chuck had a surprisingly nice body. Why he insisted on hiding that fact, she had no idea, but it was there. And his hands could make her weak in the knees when he touched her. Damn him and his stupid nerdy obsession with computers. All that intricate, detailed, careful work required confident, deft fingers that knew how to manipulate wires, chips, buttons with a simple flick or caress.

That stuff was all great but it would be his eyes that were her undoing.

And God fucking damn it, she was thinking about sex again. Jesus, she really needed to get some.

Her whole body flushed heatedly and she knew her cheeks must be reddening. She was staring obviously at Jill now, not even bothering to hide the fact that her eyes hadn't left Jill's hips in quite some time.

This was ridiculous. No, it was fucking stupid, she thought. Why couldn't she stop thinking about Chuck? Better yet, why, when she actually managed to stop thinking about Chuck, did she start thinking about Jill? Even more important, why did thinking about Jill lead her back to thinking about Chuck?

God she hated Chuck Bartowski.

Why did he have to break up with her? If he had played his cards right after the whole Bryce debacle, she probably would have let him fuck her. She was that close to giving in. Hell, she had even been willing to tell him at least a little bit about how she felt and maybe they even could have started something real. But nooooooo, he had to go and be a stupid idiot and break up with her. He had to destroy whatever meager hope she had that she would ever be enough for him.

And now? Now he was interested in a woman she could never be.

A woman that made her question every decision she had ever made. A woman that was unfortunately beautiful, with a lithe body and eyes that confused the hell out of her. A woman that was staring back at her now and oh shit, what had she missed?

"Did you even hear anything I said?"

Wait, Jill had been talking? Really? Wow… Damn, she was like the worst secret agent ever. She would have expected this kind of behavior from Carina, but not herself.

She was slowly losing her mind. And it was all Chuck Bartowski's fault.

She nodded enthusiastically and tried to look put out, like how could Jill even assume she didn't know what was going on. Come on, you can do this, she told herself, stop screwing up!

No wonder Chuck doesn't want you, you suck.

Thanks a lot, self, why don't you keep kicking me while I'm down? Just fuck off!

Great. She was telling her own mind to fuck off now. She needed to get the Hell out of this room and away from Jill. If Jill caught onto how messed up she was, there was no way she'd ever be able to scare her away.

Jill clearly didn't buy her front because she was back in pigeon mode again and there was a very contemplative look on her face. Her lips were pursed slightly, giving them emphasis, and she found her eyes immediately drawn to her mouth. When Jill briefly stuck her tongue out to moisten her lips, she had to squeeze handfuls of the bed's comforter to keep her from doing something she'd probably regret.

Jill started speaking and it was like trying to convince Casey to join Greenpeace, that's how hard it was for her to concentrate on the words and not the way Jill's mouth was moving. "I said before that I don't believe you because Chuck doesn't lie."

She wanted to throw her hand into the air, index finger pointing at the ceiling, like a particularly self-important scientist that was making a grand discovery. Like 'Ah-ha!' and then go on a long-winded explanation that actually Chuck was, in reality, a giant big liar that was always so nervous and twitchy because his pants were on fire. But then she realized how ridiculously stupid that sounded and instead said, "Chuck lies all the time. It's part of the business we're in. In fact, didn't you nearly refuse to even talk to him because you thought he was nothing but a liar?"

Oh, point for me! Let's see the conniving bitch worm her way out of that bit of ironclad logic.

"I was wrong," Jill said simply.

What? No! You were not wrong! Chuck is a liar and you don't want anything to do with liars. Stop being reasonable!

"You were not wrong," she said, in hopes of getting Jill back on the right path.

Jill stepped closer until she was only a few feet away. Jill looked down at her and she suddenly felt incredibly self-conscious, like Jill was appraising her and she didn't measure up. "I was wrong," Jill repeated.

She was just standing there, looking at her. What was she looking at? Was she…was she staring at her chest? She surreptitiously glanced down to look at her chest just to make sure that her shirt wasn't stained with mustard or anything like that. Nope. All clear. Just what was Jill doing?

"I didn't have all the facts and I didn't know that he couldn't be completely honest with me. But once I knew what was going on, he told me everything."

She couldn't take those eyes of Jill's looking at her like that anymore so she hurriedly clamored to her feet. She felt more confident now that she was looking down at Jill instead of up at her. "He didn't tell you everything," she scoffed.

"Chuck doesn't lie," Jill reiterated.

She was getting really annoyed with Jill for not letting this go. Yeah, she knew that Chuck didn't lie. Big whoop! That was sooo not the issue here. Jill needed to focus on what really mattered, which was that she was all wrong for Chuck.

"Maybe you don't know Chuck as well as you think. A person can change a lot in five years."

Jill smiled smugly and stood up straight. She looked completely unafraid and not at all intimidated by her. It was a stark change from her usual encounters with Chuck. Chuck rarely if ever stood up to her. She had found her ability to make him back down invaluable in escaping pesky situations where she might have to talk about her…feelings.

But when he did stand up to her…wow. A memory of their kiss at the docks assaulted her and she remembered how that was probably the most she had ever been turned on since she arrived in L.A. But it was certainly not the only time. She often barely stopped herself from just attacking him in a fit of lust-based insanity.

This confrontation with Jill was no different, and with those eyes that reminded her so much of Chuck's blazing at her, she was finding her common sense and composure draining away.

She completely blamed Carina for her Pavlovian response to that kind of stimuli. It had been Carina that essentially trained her to respond to stubborn passion, that refusal to back down even when you should, and let the adrenaline take you wherever it might lead.

God, not for the first time, she missed Carina…

"I think I know Chuck better than you," Jill said. She took a step closer and was dangerously close to entering her personal space. "I knew him long before you. I knew him back when he was just Chuck, back before manipulative, duplicitous, selfish people like you ever came into his life and destroyed it." Jill did step into her personal space then and she involuntarily took a step back until the back of her legs were up against the foot of the bed.

"You're the reason why he had to lie to me in the first place." Jill then did the unthinkable; she poked her in the chest. Poked her. With her finger. What the hell?! That was totally a Casey move. "You're going to ruin Chuck's life."

Now she was willing to put up with a lot of shit in her life. In fact, she had put up with a lot. And she was even willing to tolerate the presence of the lying, backstabbing, heartless skank in the life of her Chuck, but she would not, ever, tolerate anybody accusing her of not having Chuck's best interests in mind. All she did, every single God damn day, almost to the detriment of her own psyche, was think of ways to make Chuck's life as best as it could be.

She was perfectly willing to lie, steal, betray, kill, or even give up her own life in defense of Chuck. She would do anything for the man, and she did not appreciate anybody saying differently.

That was just too much for her to let go.

So she did the only thing she could do, the only thing she knew how to do: she went on the offensive.

Instead of continuing to back away, she stepped forward. Her feet practically atop Jill's, her chest only inches from brushing against Jill's, her eyes peering at Jill with deadly coldness, her whole body surrounding Jill so that if someone were behind her, they'd not be able to see Jill anymore.

"Now you listen to me, you little bitch," she seethed in barely contained anger, "I would die for Chuck. Don't think, because of some unfortunate twist of fate that allowed you a completely undeserved second chance, that you could ever understand Chuck like I do. That you could ever understand what he means to me."

God, she could feel it, that tightening in her gut, the tingling along her skin, the way she just desperately wanted to grab Jill and pull her even closer. It was almost overwhelming and if she didn't have her anger to focus on, she probably already would have done something stupid.

Jill looked at her then, through hazy, slightly unfocused eyes, and smirked in a way that almost broke her control. She slowly, carefully, like she was making sure she was looking nowhere else but her mouth, licked her lips. They glistened under the hotel room light from overhead.

Jill's next words broke the damn. "Fuck you." Jill drew out each word until they had multiple syllables.

Fine. If that's how Jill wanted it, then that's what she would give her.

If she was going to do something, she had to do it soon. She reached out and grabbed Jill's shoulders with both hands. She pulled Jill close until she was flush against her body, her breasts pressing hard against hers, and she kissed her.

Mercilessly, uncaringly, unconcernedly. Just unbridled, anger-fueled lust.

Before she even knew how it had happened, she had fallen backwards onto the bed, and Jill came along with her.

It had been a while since she had kissed a woman. Considering Chuck had been the last person she kissed period, that actually wasn't saying much. She really needed to get out more. She had largely forgotten how different an experience it could be.

At least under normal circumstances it was different. With the way Jill was roughly kissing her back, however, she was learning that the cliché about a woman's lips being softer was not exactly true.

When Jill's tongue practically forced its way into her mouth, she heard herself let out a long low moan as her mouth opened. It was that moan involuntarily escaping from her mouth that woke her up and clued her into what she was doing. Her right hand was tangled in Jill's hair, her left hand resting on the small of Jill's back, and she was kissing Jill. As in Jill Roberts, Chuck's ex-girlfriend.

What…the…fuck?

She immediately wrapped both arms around Jill's back, and rolled until she was now on top. She quickly, reluctantly, wrenched her mouth away from Jill's and moved to straddle her. She pinned Jill's arms to the bed and stared down at the wide-eyed brunette.

Both of them were breathing heavily and Sarah felt like her whole body was on fire, like she'd stepped on an exposed wire and thousands of bolts of electricity were tingling up and down her body.

This was a mistake. A huge, earth-shattering, stupid mistake. She could not believe that she had just kissed Jill. Chuck was going to kill her!

Jill was clearly confused. "Why," she stopped and swallowed carefully. "Why did you stop?"

"I shouldn't be doing this," she answered immediately and realized that she was unconsciously grinding against Jill's hips. She stopped moving and blinked in surprise. This was insane. "This was a big mistake."

She jumped off Jill's body and quickly backed away, holding her hands up in front of her as a shield. The shield was unnecessary as Jill was still lying on her back, taking in big gulps of air, and trying to get herself under control.

"I need to get the hell out of here," she stated.

"Chuck doesn't need to know," Jill blurted out.

Fucking ridiculous! Chuck didn't need to know? Just what kind of woman was Jill Roberts? First she betrayed Chuck with Bryce, and seriously, who does that? Chuck was the best man she'd ever met, Jill had had him, and she had given him up. Jill had no idea how lucky she had been. Every day, since Jill had come back into Chuck's life, she couldn't help but feeling intensely envious of how lucky Jill was. At least Jill had had a chance to be with Chuck. She'd never even gotten that much.

And now? Now Jill wanted to hide another betrayal from Chuck. She never learned. And here she was, helping. She was just as guilty. God, what was she doing? She couldn't get involved with Jill. Jill was not Carina. She wasn't. And she sure as Hell wasn't Chuck.

She shook her head violently. "I'm leaving. I'm sorry for coming over."

Jill was resting up on her elbows now and she narrowed her eyes and frowned. "Fine.

She turned around and practically ran from Jill's hotel room.

She was right. That had been the stupidest thing she'd ever done.

Next chapter: The Great Fruit Punch Attack of '08 has unintended consequences.