I demanded leuprolide injections in order to heal up after I fractured my penis in a freak accident, and loved how the affects completely deprived all females of any powers of sexual attraction, powers females take for granted.
Eventually, my urologist took me off it due to fears I might develop osteoporosis from this powerful chemotherapy agent, but by then the effects were lasting.
Previously, I had found a source of depo-Provera (medroxyprogesterone acetate) available without a prescription from New Zealand, but when my resisting urologist found out about it, he went all in on Lupron Depot injections as purportedly the most powerful castration agent in existence (including surgical castration) despite the risk it posed to my bone density.
Many years earlier, I used the behavior modification therapy manual "How to Fall Out of Love" by Debora Phillips as a psychological method to slam the door shut on any sexual urges and desires while I was bartending, and it worked for me. (In fact, it worked for me previously when I was 18, 19 and 20 years old as well, and I rechanneled my sexual energy into my jobs.)