A lot of people do have tragic childhoods. But you know what? Get over it.
Well, let me tell you, if you're 45, had three children and are post-menopausal, you're not going to weigh what you did the day you graduated from high school. Get that out of your head. That's a media-driven ideal that you're never going to healthfully obtain.
Know your goal, make a plan and pull the trigger
Life is a full-contact sport, and there's a score up on the board.
You need to face the pain and the fear and walk through the Grief.
You cannot be who and what you are unless you have a lifestyle, both internally and externally, that is designed to support that definition of self.