Specifically, I could certainly get at a Snape who was attracted to Harry and waiting eagerly until the clock ticked over and Harry was fair game -- but I couldn't get at a Snape who was willing to risk humiliation by actually saying so.

I tinkered a little with writing your idea today, and I think you've articulated the exact issue I'm having. Well, that, and some other more complicated issues having to do with hatred and control. *g* But I hope someone with a better grasp than mine writes it, 'cause I'd like to read that story, too.