Dream About Seeing Loved One After Death

I had this dream emember pieces and moments not the complete dream it starts off with the people I consider my family but their related to my daughters dads and treat me like I am one of their own his uncle is like my brother his grandmother is who I see as my mom first thing I remember is (my brother and his wife his mother and my kids his son and his brothers kids are all moving into this new place and as we're trying to get the living room ready for renovation the kids are being over active so we tell them to go to their room and we their leaving someone knocks at the door and I go to answer it and it's my daughter's dad who passed away I open the door and ask him what is he doing here and he smiles and replied I came to see you and when I turned around everything was gone and all there was as far as I could see top to bottom solid bright white I couldn't tell the floor from the wall everyone everything Else just vanished the next thing I remember is seeing a couch and me and him walk over to it sit down and I place my head on his shoulder and we just sit there him holding me me my head on him for what seemed like hours and I tell him Im scared he told me not to worry that I'll be ok and I cried to him please Don't leave me please when he says I love you and I'm never gonna leave you I'll always be with you i remember telling him I can't do this without him I remember is him telling me I'm gonna be just fine he'll always be with me and he loves me the last thing I remember him saying after that is she's so beautiful