Mark's acting ability quickly kicked in. He made a point of staring directly at the young man he'd selected. He thought he might be in with a chance as the man was quick to look back and what people sometimes describe as 'electricity' passed between them.
About ten years younger than the older of the two men, Mark clearly had appeal for the younger, who was around Mark's own age.
The older man spotted the exchange of looks between the stranger and his date and, fortunately for Mark, threw a tantrum right there.
The younger man turned disdainfully and disengaged.