He really wants her to be free and do what she really wants. He always wants to be on Alex's side. For example, when Alex beats up her best friend, her father doesn't blame her for what she did. On the other hand, Álvaro's father was worried about his son's sexuality because Alvaro is gay. For example, his father asks him whether Alvaro likes Alex or not. After Alvaro says he likes him, his father says he was afraid Alvaro was a fagot. It means that Álvaro's father could not accept his son's sexuality and wanted to change it. Through this scene, we can realize how people think about the abnormal