Nothing probably. But you could take her/him to the vet just in case. One thing that might be wrong is that she/he might of eaten something that was not agreeable.
It may have 2 go 2 the vet stupid.
you aren't eating enough.
There not lying, the answers are being posted by everyday people such as you and I. The answers may be right, or they may be wrong, but its up to the reader to believe it or not.
saying wrong
if shes not eating she could have upper respritory infection, which is what mine dyed of. Get your bunny to the vet as soon as possible!!
Of course somebody could tell you that, but he would be lying, or just wrong.
your eating too much or not exercising enough
I have no clue. Maybe you should take it to the vet.
Arthritis.
I'm going to give you the wrong answer. Or I could be lying or not or lying or not. I might be lying and I might not be. Im angry that Wiki answers wont give me the answer so Im just simply going to guess, it is after i might be lying hahah sorry for you wait right no I'm not
He's a sick bull. Get him to a vet immediately, as anything could be wrong with him.
your maybe eating the wrong stuff.
You bunny could be sick that is why he is not eating. The bunny could also be lonely.