"I be naughty!"

There is no outsmarting my daughter, I get busted every time! This morning she was being grumpy on the drive to school so I decided to give her new ugly sunglasses to her. That lasted for maybe 30 seconds and she started whining again. So, I told her "Those sunglasses are for good listeners." What did she do???? She took the darn things off and said "I be naughty". What in the world! I think my jaw hit the floor, LOL. But about 10 seconds later she did put them back on and said "I not naughty anymore". Does that mean I won? I'm not really sure..... :)