hi i have a problem with my life and i feel it falling apart b4 my eyes.

here is what i am going throug right now i am going through a very hard time im going through right now and just recently i told a girl about my feel about her and we just recently found each-other again bc we were close friends when we were younger and she showed some interest in moving forward but when my old guy friend said i would f***k that she started talking to him more than me and i have no other friends at all and i have no one to talk to about htis i have a **** education and i also feel like when i get older i will be all alone in the world and i feel like it not even worth going on with this life i need help plees help me