Personal development

Assertiveness - how to set boundaries without guilt?

mgr Magdalena RabaPsychologist, Psychotherapist (in training) · 2026-01-27

Assertiveness - how to set boundaries without guilt?

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The content of this article has been verified by the specialist team of the Sztuka Harmonii Psychological Centre.

Assertiveness - how to set boundaries without guilt?

"I don't want to offend you, but..." "This might be a silly request, but..." "Sorry to bother you, but..." If these sentence starters sound familiar - you may have difficulty with assertiveness. It is one of the most common challenges that clients bring to a psychologist's office. And one of the hardest to work through, because it touches something deep - the fear of rejection, the need for acceptance, the belief that your own needs are less important than the needs of others.

What assertiveness is - and isn't

Assertiveness is the ability to express your own needs, feelings, opinions, and boundaries in a way that is direct, honest, and respectful - both toward yourself and toward the other person. It sounds simple, but in practice it can be extremely difficult.

Assertiveness is not aggression. An aggressive person imposes their opinion at others' expense, disregards their feelings, and dominates. Assertiveness assumes that both parties have the right to their own needs and opinions.

Assertiveness is not selfishness. Saying "no" doesn't mean you don't care about the other person. It means you also care about yourself. This is a fundamental difference.

Assertiveness is not rudeness. You can be assertive and polite at the same time. "Thank you for the invitation, but tonight I need an evening to myself" - that sentence is full of respect both for yourself and for the other person.

Why is setting boundaries so hard?

Many people know they "should" be more assertive. They read books, watch videos, listen to podcasts. But in the moment when they need to say "no" - the body tenses, the heart races, and the words "of course, no problem" come out on their own before they have time to think.

Why does this happen? The causes most often reach back to childhood and learned relational patterns:

Fear of rejection - if as a child you experienced that expressing disagreement led to punishment, being ignored, or withdrawal of love - you learned that "no" is dangerous. That by saying "no," you risk losing the relationship.

Belief in one's own inadequacy - if deep down you believe you are not worthy enough - with every "yes" you try to "earn" acceptance. Refusal seems risky because "if I'm not compliant, no one will like me."

Sense of responsibility for others' emotions - many people believe they are responsible for how others feel. "If I refuse, they'll be upset, and I'll be responsible for that." This is an unconscious assumption of responsibility that doesn't belong to you.

Family patterns - if you grew up in a family where one parent was dominant and the other submissive - you may have adopted the submissive pattern as a "way of life." Or the opposite - reacting with aggression because you never saw a model of healthy assertiveness at home.

How does a lack of assertiveness affect life?

A lack of assertiveness has consequences in every area of life:

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  • In relationships - the feeling that you give more than you receive. Growing frustration and resentment that eventually erupts - often in a way that surprises both you and the other person. Difficulty with intimacy because you don't show who you really are
  • At work - taking on too many tasks, difficulty refusing a supervisor, yielding to coworkers' pressure. The result - overload and burnout
  • In mental health - chronic tension, feelings of helplessness, lowered self-esteem, anxiety, depression. The body takes on what you don't say - in the form of pain, tension, insomnia
  • In contact with yourself - loss of touch with your own needs. People who have been non-assertive for a long time often don't know what they want - because for years they focused on the needs of others

Practical assertiveness techniques

The broken record technique - calm, consistent repetition of your position without getting drawn into discussion: "I understand, but I'm not able to do that right now." "I hear what you're saying, but my answer hasn't changed." This is particularly useful when dealing with people who try to pressure or manipulate.

"I" statements instead of "you" statements - instead of "you always ignore me" (which triggers defensiveness) - "I feel ignored when I'm talking and you're looking at your phone." The "I" statement speaks about your experience without attacking the other person.

Making a request while accepting refusal - "Could you pick up the kids from school today? I understand if you can't." An assertive request assumes that the other person has the right to refuse - and that's okay.

Gradual escalation - start with the gentlest form: "I'd prefer if you didn't do..." If that doesn't work: "Please don't do that." If it continues: "If you don't stop, I will have to..." Gradual escalation gives the other person a chance to change their behavior without immediate confrontation.

Assertiveness is practice, not talent

No one is born assertive. Assertiveness is a skill that develops through practice. At first, it may be uncomfortable - like any new skill. Guilt may appear, fear that "I'm being selfish." That's normal - and it fades over time as you experience that setting boundaries doesn't destroy relationships but strengthens them.

Start with small things. You don't have to immediately set boundaries with your boss or say "no" to a dominating parent. Start with simple situations - choosing a restaurant, declining an extra task at work, expressing your own opinion in a conversation. Expand the scope over time.

When is it worth talking to a psychologist?

If a lack of assertiveness significantly affects your life - relationships, work, mental health - working with a psychologist can be crucial. Especially when you try to be more assertive on your own but something blocks you. That "something" is usually deeply rooted beliefs about yourself and about relationships that are difficult to change on your own.

Support at the Sztuka Harmonii Psychological Center

At the Sztuka Harmonii Psychological Center in Gdansk, we help clients develop assertiveness and build healthier relational patterns. Marta Turkoniak, M.A. uses a cognitive-behavioral approach, which is particularly effective in working with specific difficulties - such as saying "no," expressing needs, or dealing with guilt after setting a boundary.

Aleksandra Lesner, M.A. conducts individual psychotherapy where one can work on the deeper causes of assertiveness difficulties - childhood beliefs, fear of rejection, low self-esteem.

Magdalena Raba, M.A. offers psychological consultations and personal development support, which can include collaborative work on building self-confidence and boundary-setting skills.

If you feel that your "yes" often means "no" - call 732 059 980. Assertiveness can be learned. And it's worth it - because a life without boundaries is a life without self-respect.

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