"This isn't right for me".. without any justification or explanation, and there's no room for negotiation.

Simply apologize ("This doesn't suit me"))

"This isn't right for me"... a magic phrase that protects your mental health.

"This isn't right for me"... a magic phrase that protects your mental health. For years, one practices softening their rejection, filling it with reasons and apologies to provide a detailed justification for the other party to decide whether they have the right to respect their boundaries. Examples include using phrases like "I can't, because...", "I'd like to, but...", "I'm sorry, it's just..." Then they wait for their excuse to be evaluated and their logic tested, and then either allowed to refuse or have their arguments refuted until they give in.

According to Global English Editing, psychology suggests there's a better phrase. A phrase that changes everything and is said calmly, without any justification: "This isn't right for me." No explanation. No apology, no room for negotiation; it's simply a clear and complete statement of position.

(Apologizing simply - an expression from iStock)

Setting limits without explanation

Setting boundaries without explanation: Many people are raised to believe that setting boundaries without explanation is rude, selfish, or aggressive. But this upbringing didn’t come from nowhere; it stemmed from environments where saying “no” was met with reprimand, punishment, or the withholding of affection. 

If someone grows up believing that rejection is only acceptable if they can justify it, they internalize a belief that continues to dominate their adult life: that their comfort is negotiable unless they can prove otherwise.

Psychotherapist Pete Walker, who specializes in complex trauma, calls this pattern the “flattery response”—a fourth trauma reaction alongside fight, flight, and freeze. Flattery involves pleasing others to the point of disconnecting from personal feelings, needs, and boundaries in order to maintain security in relationships.

Walker described the "friendly" type as someone who seeks security by conforming to the desires and demands of others, as if the price of entering a relationship is compromising their own needs, rights, and preferences. This isn't kindness; it's survival behavior that operates automatically even after the danger has passed.

"That's not for me" is said calmly, without any justification or explanation, and there's no room for negotiation.

(Illustrative image - iStock)

Explaining Personal Boundaries

The problem with explaining personal boundaries is that making excuses when setting boundaries doesn't strengthen them; it weakens them.

As Psychology Today explains, over-explaining suggests that boundaries are open to discussion. When someone says, "I can't come because I have an appointment early in the morning," they've given the other person an argument. They might say, "It'll be quick," or "Come on, just an hour." They've been given the tools to reject the excuse. 

Emotional effort

But when someone says, "That's not for me," and stops talking, there's no room for argument. The response then becomes the person's opinion, irrefutable and unquestionable; it is simply a fact.

Emotional effort: When a person justifies setting a limit, they are communicating a decision and performing a small, exhausting act of managing their emotions. They formulate an explanation that seems logical, anticipate objections, monitor the other person's reaction, adjust their tone of voice to avoid appearing cold, and manage their feelings toward their limit.

Sociologist Arley Hochschild called this type of emotional performance "emotional effort," the work a person does to manage their outward emotional appearance to meet the expectations of the situation. In this case, he identified a very costly form of performance called superficiality, where a person displays emotions they do not actually feel. 

Every time they smile dismissively at something that bothered them or apologize for setting a limit they are perfectly entitled to set, they are performing superficiality. 

Research consistently shows that superficiality is linked to emotional exhaustion, anxiety, and depression. While saying “this isn’t right for me” without explanation isn’t rude, it is a refusal to expend unnecessary emotional effort on someone else’s comfort.

The Nervous System

When a person practices setting boundaries without justification, something changes over time. Their nervous system gradually learns that clarity doesn’t lead to disaster. Guilt diminishes, and tension lessens. The person develops what is known in psychology as assertiveness—the ability to articulate needs clearly without aggression or negativity. It’s not an inherent trait; it’s a skill. And like any skill, it grows stronger with practice.

Self-determination theory, developed by psychologists Richard Ryan and Edward Deci, identifies three basic psychological needs: autonomy, competence, and belonging. Of these, autonomy—the feeling that one’s actions stem from one’s own choice and are not subject to external pressures—is perhaps the most closely linked to setting boundaries.

 Therefore, the phrase “this isn’t right for me” reasserts one’s autonomy because it means: “I’ve already made up my mind. I’m not asking for your approval; I’m simply letting you know.”

Research within the framework of self-determination consistently shows that when individuals' needs for autonomy are met, they experience greater well-being, resilience, and overall mental health. Conversely, when autonomy is suppressed—when individuals feel controlled or coerced—well-being declines.