hey guize, I just got a new bunny, steve, and he and lola aren't getting along very well... both are thumping their feet and snorting and squealing... steve is a five week old rex so he's tiny and not sexually mature yet but he started humping lola [mini lop] and she, being the resident, is very annoyed by this and bit him. they are fighting non stop...i need help... any pointers? or should i got give steve back?