I have two books on ball pythons and i have read both front to back at least once but i can't get him to eat. He has been fed live rats all his life so thats what i have tried to give him but he only bites at it. First i thought maybe the rat was too big so i tried a smaller one but he still won't eat I've tried everything and i don't know what to do. If someone could give me some kind of advice it would be greatly appreciated.