Sorry for your loss of Ohagi
Yes, bunnies certainly can get depressed, and it can cause or mask physical illness (like GI slowdown). He could also be having dental issues… so I agree with Muchelle about a vet visit just to rule things out.
I think re-bonding is one of the best things you can do for him (once you are sure he is healthy), but in the meantime you can try getting him a stuffy to snuggle with, just be sure he doesn’t eat it! I just got my Bertha a stuffy (she was just widowed
) , and have been making it “groom” her and snuggle with her. She has been snuggling with it and grooming it back, which is nice to see. But, I only let her be with it while I’m supervising to make sure she doesn’t chew it.
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The answers provided in this discussion are for general guideline purposes only. The information is not intended to diagnose or treat your pet. Seek the advice of your veterinarian or a qualified behaviorist.