Plz help me with my problem?

OK so my brother turned my whole family against me just because he dosent like that im scene(emo) sorry i don't like labels either but yeah my brother told my family that i cut my self and i was like WTF i don't to that but they still don't trust me and my older sister she is 20 and has 2 kids she wont even let me be around them ugh like u can freken check my arms i don't cut myself ugh and i were a lot of bracelets at a time so then they think i do but i show them but ugh it gets annoying let me be who i want to be im going to grow out of it just leave me alone oh and like a month ago evrybody was fine but my brother and ive been like this for like 3 years ugh and now he is bothered like wtf and my mom even took me to freken get my spider bites on both sides of my lips and now she wants me to take them out but i said no it was a lot of money and pain so no im not taking them off but she gets mad but its like ugh they don't leave me alone and like my dad mom my sister and my brother are always down stairs laughing and having fun until i go downstairs they get all mad and point everything out about me like ugh but yeah how can i ask them to stop without chancing who i am and my brother tells my mom to buy me girly close because i always were skinny jeans and band t shirt's like slipknot brokencyde mcr all American rejects guns and roses misfits or tank tops but its like what ever help plz sorry it was long