Funny and not so funny

A couple of conversations with my kids that have stuck in my mind:

Funny- In the car on the way home from school the other day Mia was asking me something.....

Me- I don't know, honey.
Mia- What! What do you mean you don't know?
Me- Sorry, I don't know. Am I supposed to know everything?
Mia- Yes, you're a mom! Just like Grandma's know everything too.
Mason- But not Grandpas.
Me- What Grandpas don't know everything?
Mason- Grandpas are boys right?
Me- Yes
Mason- Grandpas don't know because they are boys.

Not so Funny-

Mia- Do you know why I call Mason "poo poo head" sometimes?
Me- No, why? (Like I should have asked)
Mia- Because he reminds me of something that comes out of my butt sometimes.

Nice.