finding a wife, the shorter his life span. for more on this bring in sonar are consumer for medical a team. i knew we were worth a lot but life. they looked at men in u.s. and china sex ratios of males vs. females life expectancy it mattered more to men than women because it decreased life expectancy by three months if they ended up income a population where they were outnumbered, meny outnumbered. they think the reason for this is that men were had to work harder to get married because there was more competition to find the right wife, that maybe mrs. right was maybe not quite so right because they settled for what they could get, which i m not sure i quite like that reason. and the other reason was that many studies have actually pointed to the longer men are single that the harder it is for