My god. My friends don't accept me?(Sexuality ?)?

Ok. I'm a 14 year old female who is Bi. I was currious to know what it feels like to be with a girl. Now i understand and i love it. I also love guys. On halloween night I kissed one of my friends. She declared later she was no longer BI. Now shes going around the school warning everyone that i may "Jump" Them at any time. I wont. Now every one of my friends treats me like an outsider and I'm beginning to feel alone. I dont get it. Is there someting wrong with me?