Dad looks different

Yesterday Mom and Grandpa went on a walk with me. When we got home Dad was there-only he looked different. I couldn't quite put my paw on it until he leaned down to pet me. When I jumped up to lick his head, there was LOT more head to lick-Dad had no hair! His head is all pink and smooth like my belly! I like it cause I can lick his whole head without hair getting in my mouth.