Emotional trauma

Listen ladies..I’ve tried everything to get over my boyfriend of a year..we had so much in common..I think he honestly was my soulmate..we broke up out of nowhere. I constantly feel guilt and pain for it. We talk regularly like friends and I hide everything I feel. I know it’s not good to bottle your emotions but it’s not like I can tell him my feelings when he’s trying to hook up with another woman. I’ve tried constantly to move on and find somebody else but I can’t hold onto anybody..I’m currently being harassed by people at school so my esteem is pretty low. It just keeps getting worse day by day. Don’t know if I can do this any longer . Tips? Help? Thanks.