This couple are extremely interested in each other. She has her body turned towards him, indicating attraction and also ensuring her waist is looking its tinniest. She is holding her glass in an unusual way, exposing the inside of her wrist to him. This is an unconscious gesture which shows she is opening up to him. He is playing with his glass and the side of his face, both body language signals of sexual attraction. They are smiling at each other and maintaing direct eye contact.