The quote reflects the surprising strength of human habits, illustrating how two well-meaning individuals can become trapped in negative behavioral patterns. Despite their mutual affection, they find themselves acting out roles dictated by past routines rather than genuine feelings. This situation raises questions about the nature of their relationship and the reasons they conform to these patterns.

The author, Nicholas Evans, conveys a poignant truth about human relationships: how individuals often lose sight of their true desires and emotions. Instead of evolving together, they may end up merely fulfilling expectations, leading to a cycle of dissatisfaction. It emphasizes the importance of breaking free from habitual roles to rediscover authentic connections.