Researchers are becoming increasingly interested in studying polyamory, in which people make commitments to multiple romantic partners at once, with the full consent of everyone involved. (Image credit: <a href="http://www.shutterstock.com/gallery-308011p1.html"> William Perugini</a>, <a href="http://www.shutterstock.com/index-in.mhtml">Shutterstock</a>) On Valentine's Day, images of couples are e
![New Sexual Revolution: Polyamory May Be Good for You](https://cdn-ak-scissors.b.st-hatena.com/image/square/2892f153027cf79b8a52a5d48fe8dd2fdaefd6e8/height=288;version=1;width=512/https%3A%2F%2Fcdn.mos.cms.futurecdn.net%2FoyCgZhNGQn6rtd3MrXrWnZ-1200-80.jpg)