Sounds like your bunny needs a friend you might try when you clean the cage talk to your bunny i do i tell mineah come see me pretty baby your so sweet an i talk to him while im cleaning his cage he has a cage inside of a cage the small one is his bed the big one is for poop and food and pine...
I gave my rabbit pine conre i made sure they had no spray on them i washed them then soaked them in vinager white then rinsed them dried them and gave them to him he plays with them and chews on them he will pick one up with his mouth and show me his toy he is smart
