i have a 14mo old (Jake) and last September i adopted Emmy who is a 10mo old from a rescue group. when i got her she had a broken leg and just got her splint off last month. when they are in the same room together they are constantly on each other biting, chasing and holding each other down. i know they are just playing but sometimes i worry he is being too rough with her. any suggestions on how to get these 2 younguns to not play so rough.