Episode 1: How to set effective boundaries

Setting effective boundaries with difficult or toxic people in
order to safeguard your peace of mind is an essential life skill.
Unfortunately, too many people operate under the false impression
that boundary-setting is about controlling the other to prevent
future abusive behavior. In reality, setting boundaries is about
controlling yourself to respond to the target behavior in such a
way as to disincentivize its recurrence by changing the operant
reinforcement contingency.