Change is part of life and the future holds all sorts of shocks. Those best able to accept are people who are not phased by changes or endings: people who can say, that is the end of a chapter and the start of a new one.
Sadly, I find endings hard. Perhaps we all do in our own way.
Someone sent me this link:
See http://jef.mentalis.org/hersenspinsels/downloads/WhoMovedMyCheese_DrSpencerJohnson.pdf