The dumbest customer of the day award goes to . . .

"Hello, I'm here to pick up a prescription for Sarah."
"Sarah who?" asked the young lady at the register.
"Oh, I don't know her last name. Her boyfriend is [name of some dude none of us have ever heard of]."
"But you don't know her last name?"
"Do you have anything here for someone named Sarah?"

Ding ding ding! We have a winner!

After more back-and-forth like this, we were able to obtain the mysterious Sarah's boyfriend's phone number and ask him for his girlfriend's last name. We can only hope he's not banging two Sarahs. You just never know.