I'm A Big Kid Now - What 11 year olds say when they're pretending to be grown-up

What 11 year olds say when they're pretending to be grown-up but still act like babies.

I'm a big kid now, so I don't scream when I get a bad grade.

I'm a big kid now, so I don't throw my lunch at my friend.

I'm a big kid now, so I don't cry when my dog runs away.