With 13 y/o and 10 y/o daughters the topic of bodies and their ever-changing state seem to be daily discussions. I don't mind. I grew up with a fantastic mom who let me ask anything and honest answers were given. (It was really up to my comfort level in what I wanted to ask.)
I'm doing my best with my answers (thank you American Girl "The Care & Keeping Of You" !) but sometimes it helps to bring a little silliness into the mix.
How Boobs Got Their Name: