All he can do is look on as the illusion fades away. So another person among them loses sight of something precious to them.

There are countless here that would willingly do the same, if only to gain a sense of comfort in their memories - Emet-Selch among them.

"I should look forward to this world you promise." At least in witnessing the efforts towards it. Whether or not it would be the paradise promised...remains to be seen.