Can men be monogamous? Some say men are hard wired to have multiple partners--it's in their genes. This is not a new idea. In the 70's the O'neills wrote "Open Marriage" to espouse this idea. But only a few years later Nena O'neill wrote a second book explaining that it doesn't work. The question is not whether men can be monogamous, but how to do it. This video explains the 3 keys to have healthy monogamy.