So, my kittens got fixed today, and basically as soon as I let them out of their carriers Smokey began trying to mount Daisy. He's never done this before, so it's brand new behavior. Any idea why this would happen immediately after the fix? Right now they're separated, with Smokey in the bathroom. I can't keep them separated the whole time, as the bathroom is too small, and it's not fair for Daisy to have the whole living room, or vice versa. What the heck do I do?