you: I have to put the cat to sleep.
me: why?
you: he’s leaving the dentist’s poop all over the house.
me: how does he get the dentist’s poop?
you: I give it to him.
she: why?
me: yeah, why?
you: because he’s bored. he needs something to play with.
she: but how do you know it’s the dentist’s poop?
you: I am the dentist.