Help! my so called friends keep leaving me out and excluding me?

OMGSH im soo sry that stinks. well i had a friend who just one day ditched me after being friends for 9 yrs... ya i got depressed and stufff but any way like after three yrs of just being left out but still wanting to be her friend i like just let go of it... well like we actaully became friends and again now better than ever idk its weird but like i asked her wat i did and she said nothing i was great she was just like dumb so i am sure u did notin and if u did they should have the guts to tell u.... ya soo maybe just talk to them tell tham how u feel be honest and if the seriously dnt wanna b wit u find some new friends but u nvr no they may come bak to u?! good luck...=)