We should be happy, that he is about to reach eternity, I know that, but most people including myself can't prevent themselves from thinking:
"why does he abandon us? we will be orphans without our beloved father".
I met John Paul II several times during his pilgrimage visits to Poland and I can't imagine what will be when all is over.
Yes, people should celebrate his life and his achievements, as he have done to the world, not only to the Church, more than most politicians. As one Polish priest said today, the Pope wanted to create a single Human Family. And watching the news broadcasts from all of the world I have an impression that he managed to do that.