Ok i dont know wat to do help! plz!?

ok well me and my fboyfriend are in a fight and he has been ingoring me all month!! after something bad hapened to him which some of my friends say its better letting good things go but then my nother half of friends say u dnt knw what you got intill you loose it and then another list of friends say i i really love him then i should stay with him but i do love him soo much but he hasent talk to me or even look at me every since what happened what should i do??!!??