My Dad Has a Really Bad Temper?

Lately my dad has been insulting me! Mostly because I'm slow! I don't think I'm slow though, I just take my time, I don't have to hurry unless it's something serious, right? And yesterday he said he hated the smell of my hair! he said it was the shampoo I've been using, and he told me to stay away from him! ever since Fall 2010, he has been acting really mean to me. I didn't even have a good Christmas all because of him! My dad does love me, even dotes on me, but he also has a horrible temper. If I keep him waiting, then the rest of the day he'll be all mad at me! I can't just tell him to stop insulting me, or he'll get really angry at me. I don't want to do anything but go into my bed and cry. is there any way I can just ignore what he says? I'm really sensitive so if anyone calls me stupid or a bad word, I'll cry or throw something at that person and scream at them. He doesn't deserve to be in jail or anything, his temper is just from his family's blood. I've taken that temper too. Please help!