Fast Learner

Me: If Daddy isn’t here in five minutes, yes you can eat it.
Her: How long is five minutes?
Me: When it’s twenty to.
Her: Let me see your watch. It’s not even twenty-five to.
Me: It is.
Her: And I’ve been waiting 2 minutes already.
Me: You haven’t.
Her: I have, I should only have to wait until 22 minutes to.
Me: Would you stop arguing, please?
Her: I’m not arguing, I’m debating.