6 weeks pregnant and my bf left me cuz he friends went back and told him he said with my another guy?

he is 28 and i am 22 and he is a band director and i am a student majorn n radiology..and i want to say something really mean to him that will let him know that i dont need him these next 8 months... can somone help me???? He left me cuz my friend guy call and ask did i want to come to his Pre father's day party and i was like yes and my bf lives 30 mins from me and i am pregnant so i was in the bathroom throwin up and all taht and my friend answer the father and said she in the bathroom sick can i take a msg and my bf went off on him for not reason..... Can someone give me something mean to say to that muthaer