I hate friends when they don't need me anymore

Sorry if this sounds too much like pity party, anyway I'm a guy who always felt lonely due to some events and I was always the one to connect with people and build friendships. I was always the wingman, the help, the guy that everyone could count on when they felt bad and so on. <br><br>I've been in this kind of role for years, wished to have friends who keep me company in my emotional darkest moments, but it never happened, and from that moment I realized that I will be alone forever.<br><br>So I always tried to help others to get rid of that loneliness, but I've noticed that I was the only person to do so, while my friends only seemed to care about their own problems. They were always happy to share with me their stories, problems and so on, but they always disappeared when I had problems myself and I felt bad. Like if they didn't care at all.<br><br>I've always tried to be the best friend I could, but then I started to realize that they never did the same in return, and at the end I felt so betrayed and angry. <br><br>I've struggled to have friends and always tried to be there for them, and when I needed them the most, they were always ignoring me or taking care of their own problems, as if my feelings were garbage and that my needs were nothing in comparison to theirs. <br><br>I think that all this loneliness is just normal and I shouldn't even fight it, I'm just the guy whose role and purpose is to help others, like every drug dealer, everyone feels good to have some "help" but when the "help" is the one to need support, everyone acts like they're free to do so.