Mum: "Just to make sure"
Watch the second half.
She wanted to be on time.
Pupil: Fire Earth Water and the Internet. Teacher: What do you mean the Internet Pupil: Well Mum says that whenever I'm on the Net I'm in my element.
Because she's always drinking from the coup de Grace. (This was my sister's favourite joke when we were kids. Once our mum flipped out on a long car journey because she told it too many times).