In his book Sabbath Time, Tilden Edwards tells about a family with teenage children who decided, as part of their Sabbath commitments, that they would not criticize each other on Sundays. As the months went on and they kept this commitment, they realized more and more of their children's friends were coming over on Sundays just to hang around. No one in the family had talked about this commitment, but somehow other teenagers knew this home was a good place to be.