His verification of love for Rosaline is based on her beauty. But when Romeo finds someone more amazing than her, it's easy for him to let go of his previous feelings. We will never know if he will be able to rid himself of his feelings for Juliette in the same way. When Romeo and Juliet met at the ball, they were immediately attracted to each other. Instant attraction is a mark of infatuation, not essentially love. Friar Lawrence makes a considerable argument that Romeo's love for Juliet could be nothing more than a pure fixation. A few days earlier, Romeo was crying because of another woman, the unattainable Rosaline. Friar Lawrence realizes that Romeo could fall in love with any beautiful girl he sees. In fact, this is exactly what Romeo does; he doesn't follow his heart, he follows his eyes. All thoughts of Rosaline are forgotten once he sees Juliette. How could he resist him, all in wholesomeness and grace? Of course, his obsession prevents him from doing so. Infatuation easily makes a young man indecisive; love shouldn't do it. Love must be thoughtful about the long-term effects of its decisions. Juliette, to her credit, is aware of the irony of falling in love with someone whose family is forbidden to her, even if she doesn't talk about her own family's reaction. She cries over the feud between the families and its effects on her when she says, "My only love was born from my only hatred!" Too soon seen unknown, and known too