This might seem incredible. However, we have collected some amazing examples. This of course keeps any downward spiral from getting started. If you don't retaliate, then it can never begin. Temperament does seem to enter in, to some extent.
Most people bend over backwards to avoid confrontation.
They don't complain. They are not simply following different rules. On the other hand, some of the things they do to keep the peace, could be done here as well. Officers in organizations take various precautions to nip trouble in the bud, to keep it from getting started. Don't put Mrs. X and Mrs. Y on the same subcommittee.