[He is frowning because he is thinking about this and trying to understand it.]

Considering everything, it isn't that surprising that you can. I can think of tons of things that would make you resent me. Not all of mine might be wrong, but there are probably more I can think of than would actually work on the grounds that I assume eventually you will realize that I'm as worthless as I know I am.

[LIKE. Maybe there are things that could make Dirk resent Dave? Maybe. But he bets that there are so many fewer than Dave things.]