1. loyalty commitment or dedication to a person or cause 2. platonic equal exchange 3. reciprocity friendly; not romantic 4. relationship the interactions or connection between two people

math them

This describes the relationship between two people, such as friends co-workers, siblings and other relatives. The statement shows a mutual understanding of each others personal morals, standards, ethics and values and non-sexual admiration of each other. In short it is a illustration of what makes people compatible.