1930s Wedding (IMAGE) Washington University in St. Louis Caption Our friends may know better than we which of our traits will send us to an early grave, according to a 75-year personality study that tracked mortality of 300 engaged couples starting in the 1930s. Credit <a href="http://commons.wikimedia.org/wiki/File:StateLibQld_1_157448_Josie_O%27Flaherty_and_Bob_%28Marshal%5E_or_Marten%5E%29_on_their_wedding_day%2c_ca._1930s.jpg" target="_blank">WikiMedia Commons</a> Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.