 But what it means is they lose use of one or both of their back legs, typically. And you end up in the emergency room. And it costs a lot of money. But moreover, that cat's in a lot of pain. And if that happens, it's going to happen again and again and again. And eventually, people get tired of seeing your cat suffer so much. It happens worse each time. And sometimes they cannot bring the cats back. And sometimes people just run out of money.