I'm writing a story where the hero is the meanest and most insensitive man on Earth. Though he's not psychopathic or anything, he's pretty bad. Now the outcomes of writing with devotion. I've unconsciously started to copy his attributes and actions. And I act really rude sometimes and my friends simply stare at me as if I've lost it. Overcoming my sudden insensitivity is no big, I can do it, but then I can't feel the urge to write about it anymore. If I do this thing long enough, I think my mom will send me to a mental asylum. Any advice on how not to copy my character and yet write about him?