In the book "Perfect Chemistry" by Simone Elkeles, a significant moment occurs when one character leans over to another named Paco, seeking his opinion about his relationship with Alex. This question emphasizes the protagonist's uncertainty about their new romantic feelings and their desire for validation from a trusted friend.

Paco's response highlights the depth of the relationship, suggesting that the protagonist is an essential and positive influence in Alex's life. This exchange underlines the themes of friendship and love, showcasing how important external perspectives can be in navigating personal relationships.