It's all my fault

I'm 17 years old...when i was 16 I talked to this guy..before i meet my bf...I guess this guy liked me...to much...about 4 months of dating my bf...this guy wanted to fight him...becouse he was jelouse...he never did...It's been a year...and i told my bf about how we used to talk and about how he wanted to rape me...from then my bf..has been having horable dreams...today he told me...that he's dieing tomarrow...he said that guy will stab him...he's dreams are crazy accurate... I'm scared I'm scared mu by will pass away...or get stabbed...guys idk what Ima due...i...It's all my fault...I made this happen...I'm freaking out