Acts of kindness, helping others, and going out of one’s way to be of assistance to those in need can, of course, increase the well-being of others. 

A number of observational studies have indicated that volunteering is associated with improvements in various aspects of well-being. In some sense, volunteering and regularly participating in various volunteering activities and organizations is a commitment to repeated acts of kindness, generally directed to an important goal of improving the life... See more