Hi I’ve got 2 males both 5 months old one of them is perfect well behaved doesn’t bite or anything and the other one is constantly biting the cage bars trying to bite me and my partner he has bite her and almost drew blood we get him out loads but all he does when he’s out is try to run away they have plenty of toys in there cage plenty of hay in there and both have separate beds I just don’t know what’s going on with him any ideas?