Sexuality

Okay so I'm 14 (15 in December) and I like girls and guys. It's super hard on me at school and at home. My grandmother practically can't stand me and she thinks all of this is just me wanting attention. I was waiting to talk to her about it but my ex girlfriend done me wrong and the whole school found out about it and it got to my brother and he decided to bring it home and instead of talking to me about it he told my grandmother. I've battled with anxiety and depression for many years now. Which my grandmother also feels as if it's all some act to get attention. I've tried to feel good about myself and other things it's just to hard to handle sometimes. Any others out there feel like sharing yalls experiences? I'm open to comments!