Disappointed

I suddenly realized that the person i treated her as my best friend for so many years does not treat me as best friend. What a......................haih....
She treated me just like a normal till extraordinary normal friend, got any problem also will not come and find me.... may be even forgotten me~~~ so disappointed !!

What is FRIEND??

Every time i trying to be good to people, but ended, they seem like don't treat me as friend~~
why?? My face got problem?? Or is the fate that I'll always lost my best friend??
What I should do??