Boy I could write a book on this subject! (And it wouldn't be a pretty one either.) What I wish I knew is not something specific, which may be more what you had in mind.) But I wish I could somehow have understood what a train wreck I was. Perhaps I could have done something to avert all of the damage I did over the years. I don't know what it would have been I could have done. There weren't the kinds of mental health services available back then that there are today. But perhaps there might have been something. I don't know...