What will people say about you at your funeral ? It's a stellar question for spurring self-improvement because we all have things we could be doing better. You want your fleeting time on Earth to matter, right? Here's how to live a better life, one that others will remember. Be generous. Making the world a better place--by being free with your time, energy and money--is a good place to start. By doing so you can create a domino effect that encourages others to follow in your footsteps. In fact, a recent study conducted by Cornell University sociologists Milena Tsvetkova and Michael Macy supports the idea that generosity is contagious. They point to remarkable "pay it forward" situations, such as the drive-through shop customer who a year and a half ago picked up the tab for the next customer in line at a Manitoba coffee shop, setting off a chain reaction that kept going for the next 226 cars. Their research , which involved an in