By Becky Hsu This past week, while people were celebrating (or not celebrating) Valentine’s Day, an oddly-coupled pair of news items emerged pertaining to research on happiness. A multi-country survey concluded that partners are the main source of happiness: nearly two-thirds of couples say their partner is the most important source of happiness in their lives. However, a study in New Zealand found that widows and widowers are among the happiest people who have tied the knot (particularly women). So,... Read more