A: Don't pick your nose. B: I wasn't picking my nose. A: What were you doing? B: I was scratching my nose. A: I think I know the difference between picking and scratching. B: Okay, mom, maybe I was picking it a little bit. A: Use a tissue next time. B: I didn't have a tissue. A: Then wait till you find a tissue. B: I couldn't wait. It was an emergency. A: Oh, really? Maybe you should have called 911. B: It wasn't that kind of emergency.