What should i do with my boyfriend? plz help?

ok i skip school da other day 2 spend time wit my bf cuz i didnt see him 4 lyk a month cuz of our fights...wen he picked me up at da station he told me we was goin 2 stop at his friend house and i said ok..he smoke n he knows i cant stand dat n wen we got dere he started smokin in front of me wit his friends n i got mad i stopped talkin 2 him(i was jst quiet) n wen we went back 2 his place after lyk 10 min he got a phone call from his friends n he left out of da room for more dan an hour and 30 min was pissed off so i told him im goin home...instead of him walkin me 2 da bus stop lyk he always do he asked his friend to do so i got really mad n i walked out n it's been 3 days n we havn't talk 2 each he didnt call me..nothin....wat should i do> should i break up wit him?(i did before n he asked me out back)