New research by University of Warwick researcher Nick Powdthavee reveals that a married man or woman is significantly more satisfied with their life when their partner is satisfied with life. But he has also found almost no evidence of the same affect among couples that prefer cohabitation to marriage.

[Read][ReadMe] (ScienceDaily)

[ReadMe]: http://www.sciencedaily.com/releases/2005/03/050322134016.htm