Had conflict with my mom?

My mom dont want me to hang out with my lil bro( my uncle's son). So i do love this boy but my mom dont like his mother and father(my uncle). Its a legacy. So i tryd to talk to her now she gave up on me and said i should go on with what am doing but i will regret. Shes telling me about witching and watever which i bilieve in. So i need help coz shes hurting me now she spoiled my day and i answerd her very hash way which i ddnt like coz i know that i might be hurting her. I just need help to do with the situation?