Tell me what shud i do...?

i had a boyfrnd.. the startin of luv was from him. he had a crush on me.. i din lik him but he liked me for 7 mths.. afterwards wen i fell in luv with him then he vry well he continued the relationship.. ups downs was der.. but still we adjusted n kept the relationship.. another boy from another section had a crush on me.. afterwards der was a picnic der i saw the other boy sittin near me n my boyfriend was sittin after dat seat.. so to avoid de other boy n sat in other place.. my boyfrnd thought dat i ignored him.. n afterwards he stopped showin any luv emotions towards me but showed dat he was angry.. we never talk to each other. den 1 day he said dat he has a rumnour with me.. n told my frnds dat i shud stop likin him or else he wud tell this 2 the principle. n now i don show any reaction towars him.. but he likes me.. his frnds also teases him with me.. but now he has be sad.. tell me wat shud i do to this problem.. i don wanna dump him but i want him back.. help..!