I assume you are not schizoid so you dont feel well being alone? (Apologize if im wrong)
I also had a hard time to accept it,crying alot and feeling isolated.Over time,when i started reading(or any other hobby as people say,but i found reading easy since its comforting though also hanging out on forums,if discord is too overwhelming like how it is for me,video games,drawing if thats easy for you),but when i started reading it got easier to just dissociate from the world,im also watching fantasy/historical tv shows and just putting myself in an other world,having an other personality(not sure if this is the right word but you know how you got a character in dnd and you really love it?Or an OC in a fanfiction,that sort of personality if you understand).
And i just love daydreaming and being in that body rather than in the real world,i found it very healing.I know i think i just repeated the same thing as the others,but i just suggested to you some easy hobbies.Now,through reading and knowing more lore,you could meet in fanclubs or such,and meet other people which you may find someone that you already share something in common with.
I have lost hope for myself but i wish for you to have great luck whatever you do :> This is just some easier advice i guess if you dont know on what hobby to pursue so you could find a relationship,well obviously dont force someone into it but you could meet good friends there which some can evolve into a potential relationship.