We all know people who aren't known for wearing their emotions on their sleeves. You may even be one of those people, so you might be able to relate to this grandfather-to-be. He gets the exciting news about his new grandchild, but keeps his composure until the room is clear, when he unleashes an elated aerial fist-pump-dance. Little did he know, his daughter and son-in-law had a camera rolling the entire time!