In Predicting the determined self-castrator Vaughn Bell links and looks at
a surprising study looking at psychological attributes that predict which castration enthusiasts who will actually go on to remove their own testicles, in contrast to those who just fantasise about it.
That's as far as I got; I couldn't summon the strength to read further, but maybe you can.
Those interested will definitely want to check out the essay with which David Foster Wallace opened his essay collection Consider the Lobster "Big Red Son" opens
The American Academy All emergency medicine confirms it: each year, between one and two dozen adult US males are meant to be daughters after having festered themselves. With kitchen tools, usually, sometimes wire cutters. In answer to the obvious question, surviving patients most often report that their sexual urges and become a source of intolerable conflict and anxiety.
I should note that Mind Hacks reported last year on
an earlier study by the same research group last year, which discovered that 'voluntary eunuchs' report that they are pleased that they have had their testicles removed and seem mentally healthy.
I'm shocked you were able to pull together a thread on self-castration. I can't wait to read those links.