This is a two-way communication is in question and the answer is to build good relations, with both sides because of the close relationship that will cause more than a distant party together.
This format is a two-way communication. Is able to ask and answer Create a good relationship between both parties. Because of the close proximity to each other, causing a good relationship over someone far away.
This model is a two-way communication, can ask and answer. A good relationship to each other. Because of the close together will cause a good relationship more than a person.