Selma Blair tried to kill herself after a break-up with her third boyfriend by chasing down a bottle of Tylenol with tequila. Her painkillers and alcohol suicide attempt came while hiding in her ex’s closet at college. Selma, 49, saved her life by waking up her boyfriend – a horse trainer called Todd – and telling him what she’d done. The story is shared in the actress’ new autobiography, ‘Mean Baby: A Memoir of Growing Up’. Selma said she had promised her mother after her first boyfriend died she would warn her if she had suicidal thoughts. She told her late mum Judge Molly Ann Beitner – who …