relationship tyroubles

ok, im going out wid this lad and were sorta in a group thing, my best mate went out with him last year which is ages ago and shes going out wid his mate. well anyway, we argue alot of the time. my best mates bf tells me to dump him cause we argue all da time and he says the same to him which upsets me more. some times we have really gd days and really gd conversations and i love it! but he's made me cry and i dont like that. i dont know what to do cause ive gota re think the relationship. i feel he cant trust me but i love him, i really do. is there any way i can make this work?? please help, thank you! nikki xXx