Family Matters
of Marin
Back to BlogWellness

Boundaries 101: What They Are and Why Your Mental Health Depends on Them

Anneli RichardsLMFT, Owner & Director
November 20, 2025
5 min read
Boundaries 101: What They Are and Why Your Mental Health Depends on Them

Chances are, you were taught about boundaries as a child -- things like not touching someone else without permission or giving people space when they're upset. Personal boundaries are the mental, emotional, and physical limits we set to protect our well-being. They define how we engage in relationships and what we will and won't accept from others.

Types of Boundaries

Physical Boundaries

These involve your body, personal space, and physical needs. Examples include who can touch you, how much physical affection you're comfortable with, and your need for personal space.

Emotional Boundaries

These protect your emotional well-being. They involve recognizing and honoring your feelings, not taking responsibility for others' emotions, and limiting exposure to people who drain you emotionally.

Time Boundaries

These involve how you use and protect your time. Saying no to commitments that don't align with your priorities is a time boundary.

Digital Boundaries

In our connected world, these are increasingly important. They include when you respond to messages, who has access to your social media, and how much screen time you allow yourself.

Why Boundaries Matter

Without healthy boundaries, you may experience:

  • Burnout and resentment
  • Loss of identity
  • Codependent relationships
  • Increased anxiety and stress
  • Feelings of being taken advantage of
  • How to Start Setting Boundaries

    1. **Identify your limits** -- Pay attention to what feels uncomfortable or draining

    2. **Communicate clearly** -- State your needs directly and without apology

    3. **Start small** -- Practice with low-stakes situations first

    4. **Be consistent** -- Boundaries only work when they're maintained

    5. **Expect pushback** -- People who benefited from your lack of boundaries may resist

    Setting boundaries is an act of self-respect. If you're struggling with boundary-setting, a therapist can help you develop this essential skill.

    Tags

    boundariesmental healthself loveself-respect

    Need support for your family?

    Schedule a free 15-minute consultation with one of our therapists.

    Get Started