The narrator expresses skepticism about Luke Riordan, admitting that while they don't know him well, it's clear he isn't the brave hero they hoped for. His actions suggest a lack of interest in pursuing anything meaningful with them. Instead of being direct, Luke has chosen to keep his distance, which the narrator views as cowardly.
This reveals a deeper frustration with the dynamics of their relationship, particularly regarding the age difference that Luke has cited as a reason for his avoidance. The narrator feels disheartened by his behavior, indicating a desire for more honesty and courage in their interactions.