Let me tell you 'bout the birds and the bees...

E: (while watching a young lad of 4 or 5 at Kiwanis park) He's a boy. So...I bet there is a penis under that swimming suit.
Rowan the Girl: 'Cuz boys have penises and girls have baginas. (my friend) is a boy, and he has a penis.
E: Jeremy...do you have a penis?
Jeremy: Yes Evie. I do have a penis.
E: 'Cuz your a boy, right Jeremy?
Jeremy: That's right. I'm a boy.