You're right about it being like a "twilight zone" for those of us who are DF'd or DA'd.
I was at my grandmother's JW funeral in the fall of 2006, and my parents came up from Florida. Usually they go out of their way to avoid seeing me and my sister any time they come visit Minnesota, they just go see my liviing grandmother and their old JW friends.
This time they actually talked and answered general questions I had and took us out to lunch after the informercial/funeral and burial. They treated me like a son, for one day. The next day when I tried to talk to them again, the wall went back up and we've been back to infrequent phone conversations at arm's length. (Cue Twilight-Zone theme music.)