How I can tell A has been spending a lot of time with my Dad the WWII buff: 

The girls are laying out in the yard looking at clouds.

W: That one looks like a flower. That one looks like a kitten.

A: That looks like two armies - see there's the American army over there, and the Japanese army over there and they are about to fight.

The girls are nicely pretending to give each other flowers in the car. Then A hands one over and says, "here, this one smells like my BUTTCRACK" , and they both screamed with laughter. I thought this was one of the things I got to miss out on with girls...