Jessica Nguyen, right, reacts after smelling a shirt as Angela Abad-Santos looks on during a pheromone party, Friday, June 15, 2012, in Los Angeles. The get-togethers, which have been held in New York and Los Angeles and are planned for other cities, require guests to submit a slept-in T-shirt that will be sniffed by other participants. Then you can pick your partner based on scent. (AP Photo/Mark J. Terrill)
(AP)
