Since I work full time in Singapore, I am presented with many opportunities for doing service and giving to others.  For example, I limit my personal income and volunteer a great deal of my time and expertise. I help Singaporeans and others living in Singapore who can’t afford dental care.  The Singapore Ministry of Health has a wonderful program called Chas which subsidizes dentists for procedures.  However, the subsidies are low, so dentists often charge additional amounts. I often do not charge any more than the government subsidizes; therefore, often patients do not have to pay any money for the dental treatment.  Often, I charged less than the market rate for a complex filling or posterior extraction, for cleanings, and for anterior and posterior root canals. If my patient was a foreign construction worker or domestic helper, I often waived the fee completely because they wouldn’t have a Chas card, and I knew they made very little income.