Does he really love me or he jus saying dat?

ok me n him been goin out 4 a min but my best friend keep tellin me dat he is sendin her message on myspace saying dat he loves her n she got a phat and he called her on da phone so i went up 2 him n he said it was not tru n i did not belive him so i said no answer my question he said leave me da F alone i jus walk away he grab my arm n said i will neva hurt u. But after dat he lied 2 me den he did it ova n ova so he claims he love me but idk i mean all my friends say dump him i can do so much betta den him so wut should i do plz tell me