I actually knew a guy who was a 'nice guy' and had to rehabilitate this faggot before he pulled the trigger on himself. And I mean that literally, because I was the only dude that ever talked to him.
Truth of it was, he was a guy with a single mom and two whiny older sisters- and trust me, they were the exact sort of gashes that were always alone and miserable, the sort that you don't want your girlfriend to know because their opinion is always that you're a piece of shit and she needs to leave you (misery loves company).
And this dude was always "that guy friend" that girls used to dump their emotional baggage onto, but never gave him the time of day. They'd just tell him how awful their boyfriends were, and he'd sit there and say "that's so awful, I could never do that to you!" - a real subscriber to the "believe all women" before it was a thing. To him, these girls he liked were always angels that could do no wrong- despite the fact that every time he came swooping in to comfort these girls, they'd have their ankles behind their ears in a few hours for that "asshole" boyfriend.
No, really- this pussy would go and "be there for them" and then give the bitch a ride to her boyfriend's house.
I don't have 'game', I'm not a smooth charmer, I'm not a Chad- but I'm no virgin, and I don't struggle to find it if I'm looking for it- and that's because I had mentors and positive male influences/role models, and I learned from watching and listening that a LOT of women can sense insincerity and weakness. I had women explicitly tell me they'd complain to a guy, but tell them something where she was obviously in the wrong- just to see of the dude had enough balls to actually say, "Well, you were wrong" in some way or another. Some things I learned the hard way, but fortunately I learn faster than the average exceptional individual.
It wasn't hard to help him, once a few people sat down with him (including some actual women that weren't using him). This guy didn't reach that point where he says, "Being nice fails, they all like assholes, so I'm gonna treat them all like shit!" Well, yeah, it works sometimes because some women do like an asshole that makes them upset so they can have a pity-party, but then that's basically category Epsilon-6 THOT-enabling, according to the manual and has been considered a Patrol-response event since the Wilson-Engersol event of 1996.
He just took some time, and focused on doing what he enjoyed. He stopped being some girl's bitch and pity-pillow, and actually started to ask them for help just to see what they'd do (surprise, they never had time when he needed them). I'm actually proud of this faggot, because to this very day- I've heard him tell his son and daughter- "If you're not getting what you're giving, then you're just throwing it in the trash".