The Difference in Moms and Grandmothers

My mom came to visit this weekend. We were riding in the car this morning and Miles was kind of fussy. At one point I heard a thump in the back seat. I asked my mom is he threw his sippy cup down. Her reply....."No, I think it just fell out of his hand." Then she went on to demonstrate as if she was his lawyer. I see how this is going to go...