Hector's poor listening skills insult each other at the beginning of the film. Instead of giving his patients the attention he should, Hector consults his notepad. As the film progresses and nears its end, Hector no longer lacks listening skills. He now laughs and interacts more and more with his patients. He listens and loves his career much more. During his journey, Hector constantly asks, “What makes you happy?” Hector asks this question of almost everyone he meets. Edward, a grumpy businessman, becomes the first he asks this of at the start of his journey. To this, Edward responds with the idea that money equals happiness. Hector takes note of what Edward says, writing in his notebook: “Many people think that to be happy is to be richer or more important. » Later in the film, Hector flies first class to Los Angeles. On this plane, he takes care of Kamila, a woman suffering from a brain tumor. Although dying and suffering, Kamila tells her story to Hector. She explains how much of a woman's luck is due to the love around her. Hector listens to her and helps her make the plane ride her last and best. Kamila tells Hector: “To listen is to love,” which he also writes