On the advice of AskMe, I put Lily and Snape on an all-wet-food diet so Snape would drop a few pounds. This means I go through a lot of canned cat food. It apparently means that I look like a Crazy Cat Lady at the grocery store.
Me: (attempting to be helpful) There are 36 cans of cat food. They're all the same.
Cashier: ... So, do you feed ferals?