I have a almost 7 year old male cat at home and 2 weeks ago adopted a 4-month old male kitten. My cat has always been real mellow & easy going, and he took to the kitten right away. They play together and groom each other, etc. The thing I was wondering about is this: I have noticed in the last few days that their play gets kinda rough sometimes. The main thing I notice is when they wrestle, big kitty will pin the little guy down and kinda bite him. It might be more of a "nibble" because kitten does not seem upset or anything, in fact he just purrs through the whole thing. But he does get kind of rough about it, and he keeps him pinned for awhile. I don't know if this is normal cat-kitten play, because I have never really had a cat & kitten together like this before. I guess I just thought there would be more problems when I introduce them at first, and now I'm wondering if big cat is more upset than it seemed at first. Maybe I am just being silly and worrying too much. Does anyone know about this? Is this normal cat-kitten play? At all other times though he is very loving & gentle w/ him.