>>11298418The testes serve internal functions, including the production of testosterone, thus their removal does not meet OP's criteria of being "safe and reversible", but on the contrary is quite detrimental. Moreover, castration does not eliminate sexual desire, and erections can still be achieved, and orgasm and ejaculation can still occur. There are a number of documented cases of sexually active testeless eunuchs. The frequency would presumably be drastically decreased but people forget (or rather, ignore) that behavioral inputs themselves facilitate sexual drive.
