Alan Jackson’s daughter Mattie Jackson did something no one expected — she sold the $3 million diamond watch her father gave her after his final tour in May. It was no ordinary gift. It was the most expensive and meaningful gift Alan had ever given his daughter. Alan could have been furious. He could have said, “What were you thinking?” But instead, he choked up. Because Mattie wasn’t doing it for herself — she was doing it to raise money, along with her father, to help families in Texas devastated by the worst flooding in a century. And what Tom said next will blow your mind..