"Oh, well, not all of them are of cats calling off things," Corwin says with a smile. "Sometimes they're of cats sleeping in cute positions, or in funny places like a jar or a window box. Sometimes they're of cats being startled by things, or chasing something, or mother cats with their kittens. They aren't all of cats being stupid. My favorites are when there are live feeds of people fostering litters of kittens with their mothers, you can see them doing anything a cat would normally do."

This is apparently one of his passions, and he can talk easily and at length about it. It's all he has that really counts as a "hobby", since people-watching, reading, and his alchemy are all goal-oriented, even if he enjoys them in general.