Im not feeling the need to live

Hello, im sam. Im 12 years old and ive been struggling with anxiety since 6 believe it or not. Ive attempted many times but nothing works. I really need someone to talk to, my family life is horrible, online life is ok i guess but the most thing im struggling with is my boyfriend. I have a feeling hes cheating ive got proof of everything. Thtas all from me, have a good day/night.❥