Sociology is the scientific study of human reciprocity and its meanings. Reciprocity means the sharing of meaning. Kinds of reciprocity 1. Sharing knowlege 2. Sharing feelings 3.
Power exists above or below the surface in any relationship.
What we have are needs which are shaped by our culture. For example, we need to have an impact upon the world. Some are more active than others. Some are shy. We need to belong to a larger social group.