On Monday day my 9 month old bunny went Into the vet to be neutered. He has some complications however and ended up getting pneumonia so they stopped the surgery and he spent 2 days in critical care. He is home now and on antibiotics, but his behavior has changed substantially. Now he is trying to mount everything is biting a ton and runs circles non stop. He did a little of this before but not nearly like this. It is constant. I'm wondering if there is anything I can do to help this behavior calm down at least until he is healthy enough to be neutered.