There was an exchange like this.

Writing a novel is not an everyday act

Murakami: So even when I am aware that it is a day off, if I think maybe I will write today, or I have to write, I end up writing. And basically, I do not like writing novels.

Ota: You do not like it?

Murakami: I do not like it, but it is the thing that gives me the greatest sense of fulfillment. There is no greater fulfillment than what I get by doing it. And there is no other path where I can earn more money than that, so I do it. It is not in the category of liking.

小説を書くことはいつでも「特別」なこと。爆笑問題×村上龍 日曜サンデー対談より _太田：村上さんはいつもね、「コインロッカー・ベイビーズ」も「69」もそうなんだけど、常にこの、今ある世界をどこかぶち壊そうとしてる、っていうのがテーマでしょ？ 村上：そう…ですね。なんか… 太田：成長してないですよね、そういう意…_yskb2.com

Somehow, I thought it was similar to my feeling when writing code. Maybe programmers also include people who like writing and people for whom writing is something special.