In Nick Hornby's book "High Fidelity," the narrator reflects on the nature of relationships and the role that intense emotions, like those experienced during a crush, play in their development. He suggests that these passionate feelings act as a catalyst, propelling people into connections that might otherwise remain unformed. The initial spark is essential to start a relationship, but once the excitement fades, individuals must assess what remains of their bond.

After the adrenaline of a crush subsides, the narrator emphasizes the importance of evaluating the relationship's substance. The outcome may vary; it could evolve into something deeper and more meaningful, resemble the original connection but in a calmer form, or may lead to the realization that the relationship does not hold substance at all. Ultimately, this process of reflection is crucial for understanding the true nature of one's relationships.