‘I fell in love with Neil’s pain,’ Carrie Snodgress said, recalling her life with Neil Young. Apparently, she meant physical pain: Young had back injuries from polio contracted at the age of six or seven, type 1 diabetes and epilepsy. But no matter how chronic, pain does not make for a solid foundation. The marriage ended. Young made an album about it, then shelved it. ‘It was a little too personal,’ he told Cameron Crowe in 1975. ‘It scared me.’