All my frends think im a b*tch?

ok, well. its summer and the past skool year has been terrible. idk y but my frends think im a b*tch! they wont hang out wit me anymo and idk wat i did wrong! they said i was jus bitchy wen i was around these 2 girls but i dont feel any different around them! im plannin on startin over this yr but idk if evry1 will forgive me or not. do u think its possible to start over? will evry1 remember? can i clear my plate??? idk!!!