And that's the kind of thing people think, you know, that if you sign up to be a singer-songwriter you know how to deal with people setting up hate websites, or people being obsessed with you and crying when you touch them, but you don't, and you just have to deal with.
Coltrane was moving out of jazz into something else. And certainly Miles Davis was doing the same thing.
A Catholic is raised with the idea that he will die any minute now and if he doesn't live his life in a certain way, this death is an introduction to an eternity of pain.