Why does it seem like it is so hard to connect and make friends?

Ever since my friends moved away in 2019, I have not made any friends. Maybe except 1, who I don't talk to anyone. He wasn't a good friend and it taught me a lesson that I should never be close friends with anyone who is "in love" with me.

I go on craigslist, looking for activity partner postings. I message a few people. One lonely guy rejected me because I was too tall. Another who was looking for friends, stopped talking to me because I didn't know how to cook my own culture's foods. Another one just ghosted me for no apparent reason- our conversation was going so well and he asked for my email/phone so we can continue talking. Then boom! he just stopped replying. I had no idea what happened.

I met a very nice cuddle buddy on okcupid, we both started off great. he put in effort into conversations in the beginning. Then now after a couple of cuddle sessions, he barely puts in effort into texts anymore. For every 9 words that I write, he only writes 1 word.

I go to work, nobody there is interested in grabbing coffee outside of work. I go to school, we just talk about school there. Our conversations never stretch beyond school work.

I try to go to social events, we just meet up once then never see each other again.

I barely have time to go out on weekends due to my busy schedule both working and attending school.

Its heartbreaking that no matter how hard I try, nobody wants to connect with me. I just feel like giving up. Maybe nobody will ever like me? Maybe I should just stop trying to make friends with emotionally unavailable people and just give up

Why does it seem like it is so hard to connect and make friends?
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