It's a very well excepted position by psychologist that sex is about power not rape. It's been studied a lot.
https://www.psychologytoday.com/us/blog/psychoanalysis-unplugged/201711/sexual-assault-is-about-power
https://www.valleycrisiscenter.org/sexual-assault/myths-about-sexual-assault/
There are other ways of finding releif for libido, such as consensual sex, masturbation, porn, ect.
Here’s a comparative question. Is physical abuse about the abuser’s need to exercise? We all need exercise, beating up a weaker person for no reason is a great workout!
Is physical abuse about a good workout, or power?