I put my hopper mouse in with 1 male and 2 female adult mice I got from petco yesterday. Today after work I came home and noticed the hoppers back feet were really raw looking and looks like he might have gotten bit on his lower back. Is it safe to keep him in with them? I don't know if he was just in the way while the male tried to mate or what, but right now he is in a seperate bin all alone. I feel bad for the guy that he's alone and would love for him to be ok with the adults for company. They were in a tight container yesterday till today after work but I upgraded them. Will he be ok alone if I can't put him with the adults?