Overheard

Teddy: (pulling on his ear) Ear!! Ear off!

 Me: Buddy, you can't take your ear off.

 Approximately 2.43 seconds later.
Teddy: (waving his hand around) Hand off! Hand off!

 Me: You can't take your hand off either, bud.

 (Filed under "hilarious things I never thought about" and "life with a toddler")