I feel so left out all the time

I recently made some new friends, but I still always feel so left out💔 Its always been like this with any friends i've made. They always leave me for their other friends and only hang out/come to me when their friends aren't around. Like is it something wrong with me? am I just a dificult friend? Idk bro😭 it sucks feeling so alone when everyone thinks im not alone because im around people, but it feels like no one even wants to talk to me and like they are just forced to talk to me, sigh, I need new friends lol.