[ It's a thought that flickers through his own mind just as quickly — there's always been a lazy sort of attraction between them, an idea of "what if" that never have and never will reach a place where there's action to take. Not as long as Rose is around, possibly not after that either. It can't possibly end well. Where Rose tolerates his murderous tendencies, he has a strong feeling Rebecca wouldn't.
So a kiss it is, mouth open and hands holding tightly. ]