I Wish I Were Eighteen Again (1986)

Michael Riley whishes to be 17 again and which comes true. He goes back to the high school where he fell in love with Laura and still be in love with her. Mick is very happy and excited to be 17 again, he finds Laura who is a widow having 2 children and then realizes the reason why they broke up years ago. Laura makes Mick understand that there is no way to go back. Finally Mick is willing to face who he is and has a new start with Laura when he turns back to a middle age man.