1) One or both of them might run around the waiting room saying “I’m a monkey! Oooh ooooh aaaah aaaah!”
2) When you are changing into the blue gown in the examining room, one of them may yell (really loudly) “What are you doing Mommy? Do you have to poop?”*
3) One of them might leave while you are trying to pay.
* Just so you know, I usually don’t take off my pants and shirt when I go to the bathroom. I have no idea what that was all about.