The no-penis discovery.

I've been waiting for this age and this discussion, and it was as cute and hilarious as I expected.

Raiden has been practicing going peepee standing up (and there is much less cleaning up afterwards involved nowadays than when we first started this endeavor), and is very proud of himself every time he "hits the target."

Earlier today, after he'd gone peepee, I had to go, too, and I told him so.

Raiden: "You're gonna go peepee standing up?"
Mommy: "Nope, I'm a girl so I don't have a penis, so I can't aim like you can. I go peepee sitting down."
Raiden: "You don't have a penis?"
Mommy: "Nope."
Raiden: "What happened??"
Mommy: "Nothing happened; I'm a girl, and girls don't have penises."
Raiden: "Why?"
Mommy: "Boys and girls are just made a little differently."
Raiden: "...Daddy has a penis?"
Mommy: "Yep, Daddy has a penis."
Raiden: "You don't have a penis?"
Mommy: "Nope."
Raiden: "Because you're a girl?"
Mommy: "That's right."
Raiden: "You go peepee sitting down."

This was a command; he left the bathroom and shut the door behind him.

We had a bit of a review of this topic at bedtime, after he went peepee standing up again.

Raiden: "The little boy at JumpMania has a penis?"
Mommy: "Yep."
Raiden: "The little girl at the fireworks, she doesn't have a penis?"
Mommy: "That's right, she doesn't."
Raiden: *holding up Bunny Bear* "Bunny Bear has a penis?"
Mommy: "Yep, because he's a boy."

Best not to confuse him with the non-anatomy of stuffed animals at this point, I think.

Personally, I just can't wait for him to ask MIL and FIL about it tomorrow, without them having any clue that we've had this discussion *grin*.