MeandMarj: Somebody always puts this on my toothbrush!

Alison: Ready?
Grandmother: Okay, I'll wash my face now.
Alison: Sounds good!

After I've put toothpaste on Grandmother's toothbrush, and we walk into the bathroom...

Grandmother: Somebody always puts this on my toothbrush!
Alison: Who do you think that is?
Grandmother: I have no idea...