One of the surest ways to feel good--about yourself, about the world-- is to help others in some way.
Shoveling someone's driveway, being the highway Good Samaritan, or volunteering for an organization that does good works are guaranteed ways to help create a world we all want to live in. (I have more than one friend who feeds the homeless whenever they can. Another uses her bellydance skills to entertain and teach at women's parties where everyone contributes a few bucks--and all the money goes directly to cancer patients.)
Here's an article about sharing yourself with others to get you started.
