Being altruistic is an important part of being a good person. It means to be selfless and to put others before yourself. Altruism can be expressed in many ways, such as giving, sharing, and doing good. Giving is the act of providing something to someone without expecting anything in return. Sharing is the act of providing something to someone with the expectation that they will also provide something in return. Doing good is the act of helping someone without expecting anything in return. Altruism is an important part of being a good person and can be expressed in many different ways.