Because his uncles are aunts.
Interactive Joke of the Day Mug
Coffee Mug
All of if its uncles are aunts!
Mom: Well son, your aunt really loves flowers! Son: Mom, what do you love Mom: Richard, stop asking so many questions!
Girl: My Aunt Boy: No it's an elephant. Girl: You obviously haven't met my Aunt
Aunt.
I can understand why an Uncle would be in there.