Just wanted to know!!

ok.. me and my bf got into an argument lastnight over something my ma told me she heard about him.. well I didn't tell him who I got my information from cus my ma didn't won't me to bring it up to him, but I couldn't help it!! it was hurting me soo bad in the inside that I had to tell him and when I told him what I heard about him trying to get at another girl he just assumed that my ma had told me something and I was like leave my ma name out of it cus she didn't tell me anything and then he said well whoever that b.s. can suck my dick in die..I just wanna kno how would you guys feel and what would you say and do??