When we do listen we don't keep an open mind - instead we take sides. Group think is a consensus agreement - everyone tries to think the same way and there is much emotional energy expended to keep everyone in line.
All meaning is derived from the agreement with others.
The Dyad is a process of interpersonal communication designed to prevent this abuse. The Dyad looks simple enough with two people sitting in chairs or on pillows on the floor facing each other a few feet apart. The Dyad in practice is difficult to achieve. It is not a conversation. The Dyad is a process of completing communication cycles and listening without judgment.