It's Simply Psychological
“I’m insane, because I like blood. Not my own, but others. Is this accurate?”
She took a deep breath and for a minute I thought she wasn’t going to respond. Her expression was consumed by some sort of passion as she began her explanation.
“Well, if that is the case, so is our country. So is our world. If I’m insane because I have blood lust, then so is everyone that battles in the army, that gets into fights, that watches action movies, that volunteers to work in a blood bank, that operates to save a young girl’s life. If I’m insane, Blake, then so is everybody else.”