There are people who will tell you that you can't train a cat.

These people are wrong. It takes very little time and effort to teach a cat to come when called, even if you don't use food treats. Using that, it was very easy to teach Callie how to play fetch. She already enjoyed carrying her toys around, and it didn't take too many lessons to convince her that the best thing to do was to bring them to me so I can throw them again. It's really freaking adorable.

But now I'm bored. What else should I teach the cats?