I am sentenced to live without love

In that time, I thought that my friend is a depressed man، who can't win a woman's heart،I was actually kind of proud of myself, until... my girlfriend... suddenly left me... for another guy... and went,.... without a reason!،"I think every relationship will end badly"،That's what my friend... my best friend ... told me, He told me... He warned me... to be careful, but I didn't listen... and I didn't pay any attention the warning,...and now...My X girlfriend screwed me over…