Also

If I understood well, he discovered "pleasure" at a young age, like 4-5, and he talked about it with an older hyung from his neighborhood who took advantage of him and abused him for years. And then, his childhood trauma/abuse combined with his mental condition that drives his sexual needs really high, he thinks himself unable to date (sorry if I explained something wrong, English isn't my first language and I don't remember his backstory that well :3)

Oh no your English is fine. So that's what makes his sex drive so high