rat bastard
I don't trust people easily, and I generally don't have a lot of faith in them either. Yet, at least on the surface, I like to take people as they are, in the sense that I think of them as "okay" until they prove to me that they aren't trustworthy, decent, kind, tactful, or anything other than five year-olds fighting over the playground dump truck toy.
At work today it finally sunk in that someone who, seemingly, had such great potential to be a decent individual, is no better a rat than the rest of the jerks I work with.
It failed to surprise me, which is perhaps the saddest part of it.