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Mental Fitness: How to Build Better Mental Health Habits
10th Oct was World Mental Health Day
Why I call it mental fitness.
And what that one word changes.
Mental health has a connotation problem.
In the military, in corporate culture, and in many of the environments I have moved through over thirty years, those two words can still carry a weight that stops people before they have started. An admission. A weakness. Something to manage quietly rather than something we deliberately work on and protect.
I want to talk about mental fitness instead. Not because changing the language makes mental health problems smaller, because it does not. For me, mental fitness points towards something active. Something we can build and practise regularly, rather than only thinking about our mental health when things have already become difficult.
How Can You Improve Your Mental Fitness?
I had dark days in Afghanistan. I have written about them before. The cost of not talking, of carrying things quietly, and of waiting until the weight became too much rather than reaching for someone earlier is something I understand personally.
“What I wish had existed was routine mental fitness training. Not crisis intervention after the fact. Daily, weekly and seasonal practices built into the programme the way physical fitness is. The same rigour. The same expectation. The same absence of stigma.”
Things are improving. The Armed Forces are better at talking about mental health than they were when I first joined, but there is still more to do. For me, the opportunity is to move some of that conversation further upstream.
What are we doing when things are going well? What habits keep us steady? What tells us we are becoming overloaded? Who notices when we are not ourselves?
That is what I mean when I talk about mental fitness.
What Is Mental Fitness?
Mental fitness is not about being positive all the time or becoming so resilient that nothing affects you. It is about knowing yourself well enough to recognise what helps you stay steady and what tells you something may need attention.
For me, it is often built through simple things like sleep, movement, reflection, breathing, rest, time outside and connection. Individually, they can seem small, but together they matter when they become part of the routine.
“Mental fitness is often the simple things we stop doing first when life becomes busy. The things that ground us and help us notice how we are actually doing.”
There is no perfect routine. The important part is knowing what works for you and actually using it.
Building Mental Resilience Before Crisis
This is why I am building Op Resilience Diary.
It is a new venture alongside ACSIS, focused on simple daily, weekly and seasonal practices that can support mental resilience over time. The aim is to make those practices practical and accessible, with tools that can be used by military and civilian communities.
The idea is simple. We should not have to wait until somebody reaches crisis before we give them tools to understand themselves.
What if we became better at noticing earlier? What if we understood our own warning signs? What if reflection became part of the routine rather than something we attempted after everything had already gone wrong?
That is the space Op Resilience Diary is designed to explore.
Why Reflection Is Important for Mental Fitness
If I could encourage one mental fitness habit, it would be reflection.
I do not mean dissecting every moment. I mean something much simpler. That was a good experience, so what made it good? That did not work for me, so what can I learn from it? What do I want to do differently next time?
It is essentially a quick retrospective or a short debrief with yourself, built into the week, the month or the season.
Reflection can be a game changer. Not because it solves everything, but because it helps you notice patterns. Sometimes you realise you have stopped doing the things that usually keep you grounded. Sometimes you notice an environment is draining you. Sometimes you recognise that the people who make you feel most like yourself have quietly disappeared from the diary.
You cannot respond to what you have not noticed.
Why Social Connection Matters for Mental Health
Connection matters enormously.
Supportive relationships can help people feel less isolated and provide practical and emotional support when life becomes difficult. Connection is not the only thing that matters, and it does not replace professional support when that is needed, but it is an important part of mental wellbeing.
“The people who come through difficult experiences often remember the person who was there. An oppo. A trusted friend. Someone who noticed, asked and stayed.”
That connection does not always involve having the perfect words. Sometimes it is simply somebody noticing, asking again, or sitting beside you without trying to fix everything.
Building and protecting those relationships is part of mental fitness too.
How to Build Mental Fitness Into Everyday Life
Mental fitness does not need to become another complicated programme. Start by asking what keeps you grounded, what your early warning signs are, who your people are, and what you are doing regularly rather than only when you struggle.
Make reflection part of the routine. Give yourself a regular point to ask what is working, what is not, what you have learned and what you want to change.
You do not need every answer. You need enough awareness to notice when something is shifting.
Mental Fitness Is Not a Replacement for Mental Health Support
Talking about mental fitness should never minimise mental illness or suggest that somebody can simply build enough resilience to prevent every mental health difficulty.
Professional support matters.
Mental fitness sits alongside that. It is about the everyday things we can do to understand ourselves better, protect what supports us and recognise sooner when we may need more help.
Clarity, Courage, Connection
Clarity. Know what mental fitness looks like for you. Understand the practices that ground you, the people who help and the warning signs that tell you the tank is getting low.
Courage. Talking about mental health can still take nerve. Sometimes courage is being the person who starts the conversation, asks the question or admits that something does not feel right.
Connection. Protect the relationships that allow you to be honest. Make time for the people who know you beyond the role, rank or job title. And when you need somebody, reach out.
Mental fitness is not about being strong every day. It is about knowing yourself well enough to recognise when you are not, and knowing what to do next.
Looking for More Clarity, Courage and Connection?
If you are ready to find your heading, ask better questions and build a future that feels like yours, the Free Clarity Call is where we start.
It is one conversation. No pressure. Just space to think clearly about what comes next.
Sam, Lloyd and Simon work with people who are carrying stress, pressure or emotional weight and want practical support to move forward with greater clarity, confidence and connection. Sometimes the shift starts with something big. Sometimes it starts with something smaller, a pause, a breath, a different perspective, a little more lightness.
👉 Book a FREE Clarity Session with ACSIS Life Coaching
👉 Visit acsis.co.uk or email contact@acsis.co.uk
Mental Fitness FAQs
What is mental fitness?
Mental fitness is a way of thinking about the habits, awareness and relationships that support mental wellbeing, including reflection, movement, sleep, rest and social connection.
How can I improve my mental fitness?
Start with simple habits you can repeat consistently. Understand what helps you feel grounded, know your warning signs, make time for reflection and stay connected to people you trust.
What is the difference between mental fitness and mental health?
Mental health describes our psychological and emotional wellbeing. Mental fitness is an informal term for the habits and practices people can use to support that wellbeing.
Why is reflection good for mental health?
Reflection can help you notice patterns, recognise what supports you and identify what may need to change before problems build up.
Why is social connection important for mental health?
Supportive relationships can reduce isolation and provide emotional and practical support during difficult periods.
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