FOR MANY OF US, boundaries might at first sound defensive—like planting an emotional Keep Out sign. But they’re not. Boundaries are the foundation of self-worth and an important form of self-care, says Sharon Martin, LCSW, a psychotherapist and relationship expert in San Jose, California. “Setting boundaries makes clear to others what we will and will not tolerate, how we expect to be treated. In fact, they are good for relationships; you both will have a clear understanding of what is expected