Billy Joel reveals that he twice attempted suicide in his new HBO documentary 'And So It Goes,' and that one of the attempts left him in a coma.

The first part of the documentary told the story of the Joel being in the band Attila with his best friend Jon Small, whom Joel eventually went to live with in a home occupied by Small, his wife Elizabeth Weber and their son. Weber reportedly said in the film that there was a “slow burn” between her and Joel.