Overheard lesson on birds and bees

Baby girl: I boy.

Mini-man, age four: No, you're a GIWRL. [trying to get his lisp here]

Baby girl: NO. I boy!!

Mini-man: Nooooo. You're a giwrl. I'm a boy.

Baby girl: Me. Boy. YES. Boy.

Mini-man, sagely: No you're not a boy. Know how come? You don't have a peanuts.