I am Aussie, so the language may be a bit AU.

Based on the old spoliers for Critic in the Cabinet. A bit late, but ahh well, here you go.

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'Booth?'

Booth looked to his partner, momentarily distracting himself from the road ahead. His grip tightened on the steering wheel.

'Yeah, Bones?'

'Are you still planning to inseminate me tonight?' she asked and Booth cringed, his body visibly stiffening.

'God, Bones, don't say it like that!' he snapped.

'How do you want me to say it? Impregnate?' She was looking at him intently, watching him watch the road. One of his hands slipped off the wheel, moving to rub his forehead. He pinched the bridge of his nose, sighing.

'I can't believe I'm actually having this conversation with you,' he grunted, his hand joining the other back on the steering wheel.

'You said you were fine with the donation!' Brennan said, a puzzled look overcoming her face. 'I thought we agreed that we should have sex in order for you to impregnate me. You said that was how we should do it!'

'Yeah, I know,' his mind was racing. How had it gotten to this? He knew that he shouldn't have agreed to have a baby with her. 'Look, Bones, I'll be there. Eight-thirty at your place, right?'

'Booth, if you're not comfortable with the idea of having sexual intercourse with me, I can always get a sperm donor.'

'No,' he replied sternly. 'I'm not letting you have some twenty year old college drop-out's baby. I'll be there.'

'You should let yourself in,' she mumbled. He shot her a disconcerting gaze before focussing on the road once more.

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It was eight-thirty on the dot when Seeley Booth turned up to his partner's apartment, his hands clenched into tight fists shaking at his side. He knocked once before remembering her telling him to let himself in and taking her spare key from his key ring and opening the door.

'Bones,' he called out, closing the door behind him.

'I'm in my bedroom,' he heard her faint reply. He stopped, closing his eyes and leaning against the front door.

'God help me,' he whispered. He opened his eyes, stood up straight and made his way down the hallway, to the one room in this apartment that he had never entered. He came to the door and softly knocked on the front.

'Come in,' he gasped as he heard her husky tone. He didn't know if he could do this. He felt so perverted just thinking about what he wanted to do to her.

He gently turned the door handle and allowed it to swing open, revealing a large room and queen-sized bed positioned in the middle. Booth was oblivious to the spacing of the room, however, as his eyes fell upon his partner, clad in only a purple bra and panties. His mouth dropped open; he was sure that he was blatantly staring as she knelt on the bed and moved towards the end.

His feet moved him to the edge of the bed, allowing her to reach up and place her small, soft hands on his chest.

'Are you sure about this?' he whispered, slightly surprising himself as he didn't think he would be able to speak. It took all of his power to focus on her face, the blue of her eyes and not to look down at her amazing body.

'Yes,' she replied softly, reaching up to wrap her hands around his neck, one pulling his head down closer to hers. 'Kiss me Seeley.' With that Booth nearly lost control completely, he leant down and captured her lips with his, gently at first. He softly parted her lips with his tongue, moaning deep in his throat as she pulled him flush against her. His arms wrapped around her waist, trying desperately to get closer to her as she continued her assault on his lips.

He slowly slid over her, his masculine body moving with the grace of a panther as he moved to lie atop her. He continued to kiss her, completely forgetting about remaining gentle and kissing her passionately, as he had dreamed of for four torturous years. He moved his mouth away from hers, planting kisses along her jaw line and throat, her moans spurring him on.

It was then that his brain began to tick over through the musty fog of his desire. This was Bones. His partner. They couldn't just have a baby together. This wasn't going to be some one-night stand. His whole body shivered in the repulsion of his own actions. He leapt back off her, moving to stand at the end of her bed. She remained lying in the middle of the bed, her body sprawled and ready for him. She looked so vulnerable that he wanted to gather her in his arms, but as he looked at her he saw the marks he had left on her neck and chest. Large love bites, along with her kiss-bruised lips. He couldn't bear to look at her, at how he had to leave her.

'I'm sorry Bones,' he whispered, his voice still husky. 'I can't do this.'

A whimper escaped her lips as she moved to kneel at the end of the bed, reaching for his, now bare, chest. He stepped back, out of her reach.

'This was a mistake,' he said quietly. 'I shouldn't have come.' He looked up, seeing her heartbroken expression, the tears gathering in her eyes. She stood, wrapping the sheet around herself and looking up at him with teary eyes.

'I hate you,' she said through her tears. 'I hate you for doing this to me. For making me think that I would be having a baby with you, that you would actually make love to me. I hate you for it all.'

He couldn't look her in the eyes as he slipped on his shirt and walked out of the room. His heart was racing, close to breaking at her words. He sped out of her apartment and down to the car-park. It was only when he was sitting by himself in the SUV when he felt the warm tears rolling down his cheeks and dropping into his lap.

What had he done?

Let me know if you think i should write more, no flames please.