In the book "High Fidelity" by Nick Hornby, the author explores the dynamics between seriousness in one's vocation and the tendency to laugh at silly humor. This observation highlights how individuals deeply engaged in their work might often have a suppressed sense of humor, which leads to an impulsive reaction to jokes that are not particularly funny. The phrase "premature laugh-ejaculation" cleverly conveys this idea of being quick to laugh at trivial matters, suggesting a humorous coping mechanism for stress or seriousness.

The notion reflects a broader commentary on the human experience, where the weight of responsibility can create a dissonance with genuine amusement. When dedicated individuals find themselves surrounded by absurdity or triviality, their laughter might serve as a release, underlining the contrast between their serious commitments and the silliness of certain situations. This juxtaposition opens a dialogue about how we navigate humor in the midst of seriousness and how it can act as a necessary escape from life's pressures.