Because artists can be extremely eccentric and insane, and unfortunately, the people they hurt the most are the people that are closest to them.
“I try to bring elements of my own personality to every character I've played, but I think I'm pretty similar to the character I'm playing now. The biggest departure would have to have been Freaks and Geeks Sara, who was this sort of subordinate and shy girl.”
“I think that the team that wins game five will win the series. Unless we lose game five.”