cannot help doing something; to do something involuntarily

(idiom) involuntarily; cannot help oneself

Beyond one's control; unable to do as one wishes due to circumstances; acting in spite of oneself.

to allow no explanation

to say something without meaning it; speaking one thing while feeling or thinking another

lit. never taking a short-cut; fig. upright and honest

you can't always do as you like; one has to compromise in this world

Ono Fuyumi (1960-), Japanese novelist