Me: Ugh. Why do I have to have a period?
Zippy: Yes, why do WE have to have a period? Can't you just suffer in silence?
Later that same day...
Zippy: Ugh. My back hurts.
Me: Don't you mean OUR back hurts? Can't you just suffer in silence?
Zippy: Well, WE didn't mow the freakin' lawn.