The desires to murder that he felt. His extreme intellectuality. I agree with Wittgenstein in finding him fascinating. I am dubious of his homosexuality. Or perhaps that homosexuality is always the straightforward thing it is taken to be.
Sexual problems can take many forms.
It is one of the fatuous beliefs of our age that every psychological problem has a simple solution. . Wittgenstein said one could put not in front of all of Weininger s statements and they would still be interesting. His travels through Norway, Germany etc, shortly before his suicide. His tormented personality expressed something more interesting than a simple failure of health. Apparently he had a great influence.