[Zoroark isn't bothered by it, but N does look a tiny bit flushed in a way that isn't related to physical exertion]

It keeps him sharp, in case battles do come up. Since my only other Pokemon here is Zekrom who would cause an unfair balance of power, this is the best way for Zoroark to get exercise.

Well... and we used to do this as children, though it was certainly easier when he was a much smaller Zorua.