Martin is said to have suffered from schizophrenia. Many in particular artist women suffered from this and other psychiatric ailments. Not saying Van Gogh didn't suffer also, but somehow, women artists historically had it tougher. Sigrid Hjertén - star in Paris at the turn of the century - decided to quit painting and be a wife and a mother full time. She finally ended up with a lobotomy (imagine a nobel was awarded this heinous procedure).