Boundaries are not a wall. They are information: what is OK for me and what is not. Most often the difficulty lies not in “assertiveness” but in the fear of conflict and the need to be accepted.

If you feel that you keep giving way, and then anger or tiredness builds up inside you — that is often a sign that your boundaries are being crossed.

The good news: boundaries can be learned. Step by step, without turning yourself into a “tough guy”.

See also: Relationships and closeness Low self-esteem Services Contact

What boundaries in relationships are

Boundaries are rules and signals that help protect your needs, time, energy and sense of safety.

They are also a way of building closeness — because clarity usually reduces tension.

  • time boundaries (how much I can give),
  • emotional boundaries (what I do not take responsibility for),
  • physical boundaries (touch, space),
  • financial boundaries (loans, spending),
  • communication boundaries (tone, way of talking).

Why guilt appears

Guilt often stems from beliefs such as: “if I say no, I’ll hurt them”, “I have to be nice”, “conflict means rejection”.

In ACT we work on noticing these thoughts without treating them as orders.

How to set boundaries: a simple pattern (3 steps)

It does not have to be a long monologue. Short and specific is enough:

  • 1) Name the fact: “I see that you’re asking me to…”
  • 2) Name the boundary: “I can’t / I don’t want to do that.”
  • 3) Offer an alternative (optional): “What I can do is…”

Example phrases

A few ready-made ones to use (adapt them to yourself):

  • “No, I can’t manage today.”
  • “I need some time, I’ll get back to you tomorrow.”
  • “I don’t reply to messages after 8 pm.”
  • “I want to talk about this, but without raised voices.”
  • “I understand that this is important to you, but I’m choosing differently.”

When it is worth talking to a psychologist

If setting boundaries always ends in fear, freezing or over-explaining for you, or if relationships are a source of constant tension — a psychological consultation can help you build calmer self-confidence and practical strategies for conversations.

FAQ – boundaries in relationships

Is setting boundaries selfish?
No. Boundaries protect a relationship from growing frustration. Selfishness is more often expecting the other person to always adapt to you.
What if the other person gets offended?
That is a common reaction, especially when there were no boundaries before. You can stay calm and consistent: “I understand you don’t like it. I’m sticking with my decision.”
How do I stop explaining myself?
Start with short sentences. The more you explain, the easier it is to be drawn into negotiation. Sometimes it is enough to say: “I can’t.”
Do I have to be “assertive” straight away?
No. You learn it like a muscle: first in simple situations, then in harder ones.

This content is for information purposes only and does not replace an individual medical or psychological consultation.

Natalia Kostusiak, MA – psychologist
Natalia Kostusiak, MA • Psychologist
Author of psychoeducational articles that promote knowledge about mental health.