Mum: Have you washed your hands?
Me:
Mum: I'm guessing that's a no.
Me: *nods*
Mum: Go wash them.
Me: Ok.
Me: *Returns an hour later*
Mum: Why were you so late?
Me: Doing what?
Mum: Washing your hands!
Me: Oh! So that's what I was meant to be doing!
Mum: We need to get you tested for Amnesia!
Me: I DO NOT HAVE AMNESIA!!!!!!
Mum: I was just kidding!