Arwan thinks that his classmate Jasmine is attractive. He invites her for coffee after class, and they discuss basic information, such as what they like to do and where they live. They spend more time together over a period of several months, and Arwan learns more personal information about Jasmine. He also gets to know what she is thinking or feeling simply by observing her nonverbal cues, such as the tone of her voice or her facial expressions. Arwan likes Jasmine more as he learns more about her. Which theory best represents Arwan's experience