You can...

Pick your friends...

You can pick your nose.

But you cannot pick your friends noses.

However, you can pick your sisters nose.

Erika kept telling me Casey had a boogie. Like 20 times. I said I would get to it. She kept telling me. Then she decided to take matters into her own hands. Or her own fingers I guess. And got the little snot out of the little snot.

Children are very interesting.