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After Brennan had managed to have a shower, her thoughts not leaving Booth's hand that had been on her shoulder, Booth and Brennan were descending in the elevator down to the hotel's lobby.

"So. We should be married," Booth said, completely at ease.

Brennan replayed it in her head before speaking. "What?"

"What?"

"Don't you think that that would ruin our partnership? I thought that we agreed-"

"No, I mean, to interrogate people."

"Oh." Brennan frowned at him. He tried not to look too smug. "What are you doing?" she asked, suspicious.

"Who, me?" he put his hands in the air as they got out of the elevator. "I'm trying to catch a murderer. And to get home."

She was still frowning at him but he pretended not to notice.

"Why?"

"Because, I don't have my shiny badge that could do any good in this case, and we can't just order information. And I like going undercover. So do you..." he reminded, punching her playfully on the arm. Softly even. Too softly.

Brennan snapped herself out of it. "Well, we can't lie about that, we'd need papers," she said quickly. "Can't we just be two friends?" She even sounded hopeful.

"Who'll believe that?"

Brennan seemed hurt, but it was true. People had trouble believing that at home, probably giving them a hint... maybe, just maybe... no, that wasn't rational thinking. Rational thinking was that if anyone had seen them in the sea they might find it harder to believe.

"OK. What if someone saw me pick up the head?"

"You got taken away. And it would probably just intimidate them more."

"OK... but not maried. Together. No papers needed."

"Deal." And as soon as he said that he put his arm around her.

"And it's not illegal," he added.

"Then why did you say it in the first place?"

He smirked and pulled her closer.

"Where first, Sweetheart?"

Yeah... maybe he was overdoing it. But he didn't care. It was his vacation. And she didn't seem to be resisting to hard... maybe it was working. He smiled to himself once more as they entered the lobby.

"What?" Brennan asked, catching him smiling once more.

"Hey, Ramón, my buddy!" Booth said, avoiding the question once more. Ramón was looking at them, slightly confused.

"How is the just partners thing working out?"

"Fine," Brennan said sharply. "We're just -"

"Nothing," Booth interrupted her.

"Dr. Brennan, we might need you at the crime scene..." he was busy looking at Booth's arm around her.

Brennan was staring daggers at him, but did not remove it. "I've gathered all the information I need. Which reminds me..." she dove out of Booth's embrace, "Can you send some evidence to the Jeffersonian institute? My people would do it as a favor to me."

"Sure. I'll need permission, but I'll have it by the time everything's in a box and being sent. Could you write down the address? I have a pen, and a terrible memory."

"OK. Brennan took the pen and the detective's pad. Ramón put his hand on her shoulder and steered her gently around, so both their backs were turned to Booth. Booth noticed, and growled.

Damn it. This wasn't working...

"So Bones, we should be leaving now."

"Why? OK." She hadn't waited for an answer because of the look Booth had given her. It wasn't a flirtatious one... and now she realized that all the other looks had been. What was going on? "I'm on my cell if you need me," she told Ramón, lifting her hand, showing her cell. Booth made a face, and put his hand in hers.

As they were walking away, Booth stopped and let go.

"Wait... one more thing..." he ran back to Ramón, leaving Brennan waiting, and shook his hand. "You might need this," he whispered into his ear during the shake. "Oh, and if I find out that you were the one that knocked me cold... Well, that's all I can say for you. If it weren't so hard to believe, you might be seeing stars this instant." He let go, smiled brightly and jogged back to Brennan, taking her hand once more. She also frowned upon it, once more, though not letting go.

Ramón opened his hand and saw Brennan's cell.

Brennan was confused. Of course she was. Resisting Booth had been easy, she was a strong woman, though that seemed to be a rather strange thing to have to be strong to resist. Angela had never been strong in that sense, and Brennan knew that she didn't mind it at all.
But now, it was different. Of course it was. Booth, for the first time in years, was full-on flirting with her. And it hit her hard, like a wave, she couldn't escape it. But she was also completely mesmerized by it. He charm smile was a lot more charming. The proximity was as close as it always had been, but it was more intense... it felt like there was no boundaries, that he was going to kiss her at any time. And she hated the fact that she felt like she was going to kiss him too. How did she know this? By feeling the same way that she had in the sea. She had always been attracted to Booth, and there had always been sexual tension, she knew that. But this was just... ridiculous and irrational.

Her libido was also out of control.

She wasn't going to ruin their partnership because she was feeling like having sexual intercourse (and apparently so was Booth).

So she had excused herself, after a morning of pretending to be with Booth, to go to the Hotel's gym and liberate endorphins by exercise. The alternative was not a real option. That was what she told herself. But she didn't seem to think that Booth would mind... not and option, Bren. Why? Uh-huh, move on.

She was also going to socialize. That was what Booth called it, but he had also called it fraternizing with suspects.

Suspect nº 1: Dolores Campos. She spoke English, and Booth had been able to unleash his charm on her rather easily. They had learnt that she was an accountant, but she and her husband were getting away to work on her marriage; she was married, but it wasn't going well. Motive: her husband cheated. With young girls.

Suspect nº 2: Lucas Álvarez: He spoke Spanish. Brennan had tried to get information out of him, but the fact that she had a scary boyfriend had obviously put out any lustful thoughts. He worked in the hotel as a towel boy, but seemed pretty reluctant to share information on either of the victims, whom he obviously recognized. That was a reason that he was a suspect.

Suspect nº 3: Mark Jones: it was a really common name, one of the reasons Booth had stopped him. And he was too shiny. On a business trip, but he had been known to be a hit with the ladies, who all agreed. Non-verbally.

Booth thought, two young girls... yeah. The thing in common, that wasn't there age, could probably be a man in both their lives.

Suspect nº 4: permits are pending.

So, at the gym, though Brennan had refused, she tried her best to "look hot". She had refused when Booth asked her, not blushing, holding back, or asking if she would be Okay with it. But he had asked her with his charm smile. Deluxe. But maybe someone would talk to her, and she could squeeze more info, without her 'scary' boyfriend, or Ramón sniffing about, which was getting quite irritating.

But she learnt nothing.

On her way out, she found Booth, waiting for her. Damn it. Not a second alone. But she was feeling perkier now, and believed that she could take it.

He was far away. As she got closer, however, thoughts ran through her head, or rather, brain.

What if they were together? Would it really be that bad? But they had tried that... but he was wearing his charm smile. Did he never get tired? Why couldn't she give this a try? Screw Catherine. Not literally though. Screw Booth? Literally?

"Hey Bones!" he greeted her, his voice seductive. She dropped her towel and kissed him.

She grinned as she felt the fire once more, in both their mouths. Maybe this was the proof she needed...

"Agent Booze! I see you did win our bet after all."

Brennan pulled herself off of him.

"What bet?" she asked, her voice overflowing with mixed emotion. Ramón shifted, uncomfortable, but then looked smug. She looked at Booth. He was frozen. Not for long.

She lunged at him, punching him with all her might, and he stumbled, nearly falling to the floor.

She looked scarier than he had ever seen her before. Before he had time to stand up properly, she punched him once more, this time sending him to the ground. He didn't get up, knowing it would be even more painful.

She turned and ran, not before, hitting Ramón as hard as she had Booth before leaving.