I quizzed him a lot on this point and i suspect the truth was that it was like a lot of things at that age: you don't have any clear reason, you just do it. You do it because you think it might get a laugh, or because you want to see if it'll cause a stir. And when you're asked to explain afterwards, it doesn't seem to make any sense.
Kazuo IshiguroAs with a wound on one's own body, it is possible to develop an intimacy with the most disturbing of things
Kazuo IshiguroThe book was at a reasonably high position on the New York Times... before I was in the country. I thought it would be an interesting experiment to see if my presence here would push it up or down.
Kazuo Ishiguro