Compare the emotional vocabulary available to a leader (confidence, satisfaction, indignation) with the emotions not permitted (regret, embarrassment, dread, angst, mortification, anger, surprise, wonder, doubt), and it becomes apparent why perfectly normal people, upon entering public life, transform into cartoons - because they are not free to express what a normal person would feel in their situation.
It's as if when you love someone, they become your reason. And maybe I've gotten it backward, maybe it's just because I need a reason that I find myself falling in love with her. But I don't think that's it. I think I would have continued along, oblivious, if I hadn't happened to meet her.