Biting the hand that feeds him. I do get treated as a "chew toy" which is
probably at least partially down to the fact that he has no female company. An
attempt was made early on to get a female chinchilla as a mate for him, but
without success, and circumstances forced this plan to be eventually
abandoned (Part of the problem with this was that chinchillas aren't prollific
breeders and the females tend to be held onto by chinchilla breeders). Perhaps under other
circumstances I might have revisited this idea, but with Jerry now being
somewhat advanced in years, I doubt I will attempt this now.