This is likely a case of emotional abuse and infatuation. He is infatuated by her looks and her intelligence, and due to this infatuation, he pours out his "love" for her. However, Javier's girlfriend criticizes him no matter how well he treats her, and he is getting discouraged. If this continues, he has a high chance of getting depressed due to an emotional abuse. When two people are in a relationship, they should be encouraging one another and balancing one another in all ways - physically, emotionally, etc.