So I have basically just bought fallout 4 today and I was doing a mission with NICK VALENTINE the detective guy and when we got out of diamond city he automatically turned on me and started shooting me i ran away and carried on with the mission and killed KELLOG or what ever his name is after this happened i came back to diamond city and i had to talk to NICK VALENTINE so I went to his office and lone behold he still has agro to me and wants to kill me is there any possible fixes without reverting all the way back (((