15 Signs of a Mentally Strong Person and How to Build Them

Originally published 2015-08-04.

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How do you recognise a mentally strong person? Usually not by toughness or a stiff upper lip. Mentally strong people tend to be comfortable in their own company, honest about their mistakes, open to advice yet clear about their own choices, and able to recover after setbacks without sinking into self-pity. Below are fifteen traits that often go together, grouped by theme, with notes on how anyone can build them.

One caution first: these are tendencies, not a test. Everyone has days when none of them come easily, and a person facing illness, grief or hardship can be remarkably strong while looking anything but calm from the outside.

What "mental strength" actually means

Psychologists more often speak of resilience: the ability to adapt well to adversity, trauma or serious stress. The American Psychological Association stresses that resilience is not a rare personality gift. It is built from habits of thought and behaviour that people can learn over time, and it often grows out of difficulty rather than in spite of it.

Researcher Ann Masten famously described resilience as "ordinary magic", meaning that it usually comes from everyday resources such as supportive relationships, problem-solving skills and a sense of purpose, not from heroic willpower. Social support in particular shows up again and again in studies as one of the strongest protective factors.

Lists of mental-strength habits became popular in the mid-2010s, helped by psychotherapist Amy Morin's widely shared list of things mentally strong people avoid, which later became a bestselling book. Several of the traits below echo that tradition.

How they relate to themselves

1. They can enjoy being alone

Silence does not frighten them. Time alone is a chance to rest, think or work on something they care about, rather than a gap to fill with noise or company.

2. They pay attention to the present

They reflect on the past and plan for the future, but they do not live in either. Being present helps them see a situation for what it is, whether or not they practise formal mindfulness.

3. They know themselves

Self-awareness means noticing your own needs, moods and limits, including the moment when you need help. Ignoring warning signs may get you through one bad day, but it is a poor long-term plan.

4. They believe in their own ability to cope

This is not arrogance. It is a quiet confidence, built from experience, that they have handled hard things before and can probably handle the next one.

How they handle risk, failure and mistakes

5. They step outside their comfort zone

Staying permanently in familiar territory can feel safe while slowly shrinking a life. Mentally strong people take sensible risks: a new job, a hard conversation, a skill they are bad at.

6. They treat failure as part of the process

Any worthwhile goal involves false starts. They expect them, take what they can from each one, and try again rather than reading failure as a verdict on their worth.

7. They learn from their mistakes

Taking responsibility means owning what went wrong without excessive guilt, then adjusting. The aim is not to never err, but to avoid making the same error repeatedly.

8. They do not get stuck in self-pity

Disappointment and grief are normal and deserve space. What they avoid is staying there indefinitely. Life is not always fair, and they would rather put their energy into what they can still change.

9. They choose action over complaining

Venting to a friend can help. Endless complaining rarely does. When something is wrong, they look for the next useful step.

How they deal with other people

10. They are glad for others' success

Envy and resentment eat up a remarkable amount of mental energy. Secure people can celebrate a friend's promotion without feeling diminished by it.

11. They avoid pointless conflict and let go of grudges

When someone hurts them, they try to understand what happened instead of plotting revenge. Letting go is not the same as excusing: they can set a boundary and still decline to carry the anger around.

12. They accept that they cannot please everyone

They aim to be kind and fair, but they can say no, speak up and tolerate someone else's disappointment.

13. They listen to good advice

Humility is part of strength. A good idea is worth taking no matter whose it is, and they do not let ego get in the way.

14. But they make their own decisions

Listening is not the same as handing over control. They weigh what others say and then decide for themselves, accepting responsibility for the outcome.

15. They know their limits

They recognise when to stop, rest or step back. A painful experience can be part of their story without becoming their whole identity.

Myths about mental strength

• Strong people do not feel pain. They feel it fully. What differs is how they work through it.
• Asking for help is weakness. The APA lists reaching out to trusted people, and to a licensed professional when needed, as a core resilience strategy.
• You either have it or you do not. Research increasingly treats resilience as something that can be developed.
• Never giving up is always right. Sometimes the strongest choice is to change direction.

How to build these traits

• Invest in relationships. Lean on people who listen and care, and be that person for others.
• Look after your body. Sleep, food, water and movement make it easier to handle stress. Avoid numbing difficult feelings with alcohol or drugs.
• Set small, realistic goals. Each one completed adds to your sense that you can cope.
• Keep things in perspective. Ask how much a problem will matter in a month or a year, and accept what you cannot change.
• Remember past wins. Recall a hard time you came through and what helped.
• Seek support when stress takes over. If you struggle to function day to day, talk to a doctor or a mental health professional.

Pick one trait from the list that you would like to strengthen this month, and notice one situation where you can practise it. Mental strength is built the same way as physical strength: a little at a time, with rest in between.

Sources: American Psychological Association: Building your resilience; Wikipedia: Psychological resilience. Header image: Fashion-ation.