I'm moving in with my bf tomorrow and I'm freaking out right now need advice?

Me and my bf are together a year and have a long distance relationship. We split up 2 months ago over something stupid. Before we split we had planned on me getting a job and moving in with him and his family, last week we got back together and I miraculously got a job offer this week and I an moving in tomorrow as I start Monday I was happy at first but now I'm freaking out I feel panicky and unsure as I'm the one going to get burnt if it all goes pear shaped i don't want to turn down the job but is what im feeling normal? Please help