Just some random free-write... may turn it into something yet... who knows:
"And another thing. I don't like your obnoxious behaviour - you're rude and arrogant and quite frankly I've had enough. I couldn't care if you were the last man alive!" There. She finally said it - he'd had it coming to him for a long time; Kerry readied herself for another attack...
"What? Cat finally got your tongue eh? That would be a -- what? What happened?" Kerry stalled on the next round of attack as the lights suddenly went out, the humming of her computer ceasing immediately. She didn't want to say it, but the dark made her uneasy.
"Oh please - don't stop now - you were just warming up to your little speech. Don't let a mere power shortage stop you now, you were doing so well" Derek drawled.
He'd never seen her fire up like this before, it was quite a display. He was just annoyed the power should go out now when he'd only just noticed the way her eyes glittered when she was angry. Boy, what an impressive scene - he needed to get her riled up more often! This was a vast improvement on the calm, controlled and cold Kerry of the past. He was even more intrigued by her now than he was before.