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Illustration article santé mentale - Poser des limites
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Bien-être

Set limits

IRIS Prévention
6 May 2026
Saying no is not an act of selfishness, it is an act of respect towards oneself and towards others. It’s also a skill that needs to be worked on.

Illustration of mental health article - Setting limits

How many times have I said yes when I wanted to say no? How many times have I accepted an additional task when I was already saturated, said yes to an outing I didn't want, or let go of behavior that hurt me to avoid conflict? The inability to set boundaries is one of the most common and least recognized causes of burnout and relationship discomfort. A study published in the Journal of Occupational Health Psychology shows that people with low levels of workplace assertiveness have significantly higher levels of chronic stress, anxiety and burnout. Setting limits is not a question of character, it is a relational and communication skill that can be learned and practiced.

1. What is a limit, and why do I need one?

A boundary is the boundary between what is acceptable to me and what is not, in terms of behaviors, demands, demands on my time and energy. It is not a wall to keep others at bay: it is a line that defines the space in which I can give freely and authentically.

Boundaries protect my resources (time, energy, emotional space), preserve my integrity and values, maintain balanced and lasting relationships, and allow me to be truly present and generous in the areas that truly matter to me.

Paradoxically, people who do not set limits often end up giving much less, because they become exhausted, resentful, and gradually lose the quality of their relational presence.

StyleBehaviorImplied messageConsequences
PassiveI say yes when I mean no, I avoid conflict at all costsYour needs matter more than the mineResentment, exhaustion, loss of self-esteem
AggressiveI abruptly refuse, attack or feel guilty the otherMy needs matter, yours don'tConflicts, relationship breakdown, isolation
AssertiveI express my needs and limits clearly, calmly, respectfullyOur needs all matter bothBalanced relationships, mutual respect, well-being

2. Why is saying no so difficult?

If setting boundaries was easy, everyone would do it naturally. Behind the difficulty of saying no there are often deep obstacles:

  • The fear of being rejected or disappointing another: I learned that my value depended on my availability and my agreement. To say no is to risk losing the affection or approval of the other person.
  • Guilt: I feel selfish, ungrateful or bad when I refuse something. This guilt, often learned in childhood, is automatically activated as soon as I try to set a limit.
  • Fear of conflict: I fear the negative reaction of others. Saying yes costs less in the short term than facing tension or disappointment.
  • The belief that my needs are less important: pattern of excessive self-giving, common among people who grew up in environments where their needs were minimized.
  • Lack of models: if I have never seen limits set in a healthy, respectful and effective way in those around me, I simply do not have the words or the tools to do so.

3. The three styles of communication when faced with requests

Assertiveness is the middle way, neither submission nor aggression. It is the ability to express my needs, my refusals and my disagreements in a clear, direct and respectful way, without violence or passivity. This is the skill I will train.

4. How to say no concretely, the formulas that work

The simple and direct no: “No, it’s not possible for me. » No excessive excuses, no lengthy justifications. A clear and polite refusal. It's hard for me to stick to it at first, I can practice out loud.

No with gratitude: “I understand that this is important to you, and it is not possible for me at the moment. » This formulation recognizes the need of the other without renouncing my own.The no with alternative: “I can’t do that this week. I can do it next week, is that okay with you? » Proposing an alternative when it is sincere softens the refusal without diluting it.

No with short explanation: “I need this time to rest / for my family / for this priority project. » A brief and honest explanation, without over-justification, is sufficient. I don't have to plead my case.

The undelayed: “I can’t answer you now, I’ll get back to you tomorrow.” » This technique is useful to avoid automatic yes under pressure. Give me time to check if I really want to accept.

Remember: I don't need the other to agree with my limit for it to be valid. My refusal does not need to be approved to be legitimate.

5. Build your ability to set limits over time

Setting boundaries is a skill that develops gradually, like a muscle. The first few times are uncomfortable, that's normal. Here's how to progress without getting discouraged:

  • I start with low-stakes situations: refuse an unimportant request, postpone a secondary deadline. I accumulate positive experiences before tackling more emotionally charged situations.
  • I differentiate between guilt and feeling guilty: feeling discomfort after setting a limit does not mean that I was wrong. This is often a sign that I'm breaking out of a usual pattern, and that I'm on the right track.
  • I surround myself with people who respect my limits: their positive reaction reinforces my legitimacy to set other limits.
  • If the difficulty in setting limits is deep and pervasive, support in CBT or self-affirmation (assertive training) can produce rapid and lasting changes.

💡 tips to remember

    • Saying no is not an act of selfishness: it is an act of respect towards myself and towards others. People who don't set limits end up giving less, because they burn out.
    • I start with low-stakes situations to practice: refusing a small request, pushing back a secondary deadline. I accumulate positive experiences before busier situations.
    • The universal assertive formula: “I understand that this is important for you, and it is not possible for me. » It recognizes the other without renouncing myself.
    • Feeling discomfort after setting a limit does not mean that I was wrong: it is often a sign that I am breaking out of a usual pattern, and that I am exactly on the right track.
    • I don't need the other person to approve my limit for it to be valid. My refusal is legitimate regardless of the other's reaction.