Don't think of it as being "afraid" of what you want. That's a bunk pseudo-psychoanalysis that everybody tosses at hopeless romantics such as yourself and myself; most humans live by platitudes so they give you this one because they haven't thought of anything original to say on the subject.
I think your problem I can relate to and I think it is a similar problem; like ^rhondadamayne said, "over-analyzing" but to go a step further, I think you and I are too sentient, highly aware, overaware as a matter of fact. Extreme awareness kinda kills one's ability to truly enjoy something.
Because we have to chase him. Because he's the hero Gotham deserves, but not the one it needs right now. So we'll hunt him. Because he can take it. Because he's not our hero. He's a silent guardian, a watchful protector. A dark knight.