Full PDF text of UBC study ("Happy Guys Finish Last: The Impact of Emotion Expressions on Sexual Attraction") here: <a href="http://ubc-emotionlab.ca/wp-content/uploads/2006/10/Happy-Guys...in-pres-Emotion.pdf" rel="nofollow">http://ubc-emotionlab.ca/wp-content/uploads/2006/10/Happy-Gu...</a>