Whether you're married or not, relationships - and the satisfaction tied to them - are extremely important for increasing men's and women's quality of life.
Helen FisherYou can really get poked in the back and not feel it very much, but just a feather around your lips and you really do feel it.
Helen FisherWe spend our lives trying to get along with people so we can keep our jobs, keep our marriages together, so that we can raise our kids properly.
Helen Fisher