Was it possible to feel nostalgic about something that had never happened to him, possible for nostalgia to be taken in by the body as a free pathogen to infect the consciousness with stray sentiments? Perhaps, in his dreams, he had traveled back in time, or even drifted into another dimension of space-time and inhabited the body, experiences, and nostalgia of another. To even envisage so allowed the trauma of those lost moments, though not his own, to draw from him a certain envy for the entity in whose memories he had basked vicariously. . .Perhaps, nostalgia was a microorganism. . .the bacterium that infected. . . Yes. . .maybe he was sick.

I guess everybody thinks about old times, even the happiest people.

It troubles him to consider the powerful currents and fine-tuning that alter fate, the close and distant influences, the accidents of character and circumstance.

Nos-tal-gic,_ Akira said, as though it were a word he had been struggling to find. Then he said a word in Japanese, perhaps the Japanese for __ostalgic._ __os-tal-gic. It is good to be nos-tal-gic. Very important.___eally, old fellow?___mportant. Very important. Nostalgic. When we nostalgic, we remember. A world better than this world we discover when we grow. We remember and wish good world come back again. So very important. Just now, I had dream. I was boy. Mother, Father, close to me. in our house.__e fell silent and continued to gaze across the rubble.__kira,_ I said, sensing that the longer this talk went on, the greater was some danger I did not wish fully to articulate. __e should move on. We have much to do.

Everyone knew as much as they needed to know to be happy.

There was, in my view, an unwritten contract with the reader that the writer must honour. No single element of an imagined world or any of its characters should be allowed to dissolve on an authorial whim. The invented had to be as solid and as self-consistent as the actual. This was a contract founded on mutual trust.