It's exhilarating to see him take the bait, the interest growing before his very eyes and before it was goading and teasing and now it's even more so. Here he thought he was getting himself into something he'd regret, but instead it opened up a whole new world of possibilities.
"In that case, I think I can make you very happy."
And just to put some emphasis behind that statement, he slides into gameface before closing the small distance between them in a brutal kiss, hand coming up to push hard against Jack's shoulder, pressing him back against what was a mattress but now is the dirt floor of a Chinese temple. There's fire and chaos erupting all around and Spike doesn't seem to even notice.