In this excerpt, the doctor decides to stay and enjoy the company of the woman, which she acknowledges with a smile directed at Stephen. However, Jack, who observes this moment, feels a piercing sense of betrayal as he realizes the woman’s affection is meant for another. His reaction is swift and intense, likened to the shock of a gunshot, highlighting the depth of his feelings and the pain of unreciprocated love.

Jack's realization reveals his vulnerabilities and jealousy, as he grapples with emotions that complicate his relationship with both the woman and Stephen. The moment encapsulates the tension between friendship and romantic feelings, showcasing O'Brian's ability to illustrate complex emotional dynamics in his characters.