I have two male chinchillas that I am slowly trying to get together in one big cage, I am putting them in a play pen together for about an hour a night. I have been doing this for a few weeks now, well after the 3 week period before I even put them together outside of their cages. I am wondering if the mounting will ever stop? Frank always mounts Isaac, they are both male but I am wondering if maybe Frank does not know that Isaac is also a male? Does anyone have any advice? Should I stop Frank each time he does it? They also bite each other, does that ever stop, any advice on how to stop it?