Perhaps a more complete definition of altruism would be this: you are altruistic to the degree that your personal welfare is driven by your observations of the

Perhaps a more complete definition of altruism would be this: you are altruistic to the degree that your personal welfare is driven by your observations of the welfare of those around you, and the level of action you take as a result. This satisfies both the commonplace meaning and the annoying but correct sophomoric objection. It all adds up to normality.