Hello, someone recently gave me their 5 year old piggie and ik they do better in pairs so i got him a friend. He is 9 months old and i introduced them after quarantine. The problem is i dont know if they are actually getting along or not. They can eat next to each other and stay in their own corners of the cage but a lot of times they will chase each other around and try to mount each other. The younger one sometimes wiggles his bum and "purrs" which i know is dominance display, and other times they will lick/nibble each other on the mouth. Is this normal or should i separate them?
