I not need a nap

Last Tuesday the kids and I attended a luncheon at my old office and got to see all my old co-workers. Since it was so late coming home, I had already told Katelynn she didn't have to take a nap that day. When we were almost home, Katelynn says from the backseat, "I not need a nap today, Mommy. I not tired." I wasn't sure why she was worried about re-informing me of this, but I said okay and then looked back in my rearview mirror not two minutes later and saw this...Apparently she was trying to convince herself she was not tired. She even crashed in the middle of reading a story! And right beside her, Justin was doing the same thing!