Not Sure how to answer.....

So Sunday Aiden and I are playing in "his" room at our house...........he finds a little mermaid doll and proceeds to undress it.  After removing the skirt he says "Gigi, what's this?"  I tell him that is her belly button.  "Okay"  In a minute he says "Gigi, she doesn't have a noodle"..........UUUHHHH..... let's go ask Mommy and Daddy about that!!!!!!