I have a kitten (almost 5 months) and a 9-year-old cat. I recently joined an animal rescue group and today picked up a 6-7 week old kitten to foster. I brought her home and my older cat smelled her and hissed ... no big deal. But my kitten was so excited. She started chasing the new kitten and standing over her (the little one fits under her legs) and pinning her down. She bites some, but she also licks her. It\'s not that she\'s being mean, she seems to just want to play hard (she\'s pretty rough). The little kitten does not like this and tries to hide. I put her in a large bathroom (with litter, food, water, bed). I\'m not going to keep the kitten ... it\'s just a foster situation, though I have no idea how long it will last. Should I just leave her in the BR for a few days and just spend time with her there? How can I get my older kitten to ease up and not be so rough?