They are prepared to have a relationship with a man who was formerly a woman. Companionship in marriage doesn't go away. I don't know exactly why women are more tolerant than men. I think that they are more understanding, less ready to jump in with instant judgements. They have a wholly stabilising effect.
Men are anxiety-ridden creatures, frightened of the unusual.
Apart from transsexuals, Gooren also sees in his practice as internist and endocrinologist, other people with seemingly sexual and gender behavioural problems. Men with breasts, women with too much hair in the wrong places, impotent men, paedophiles. With men, there can be much more amiss. You find perversion and bizarre sex desires more often in men than you do women. The process of being male is biologically and psychologically more difficult.