Blog · Structure & consistency

You already know what to do. So why doesn't it happen?

By Remko Opdam · 4 June 2026 · 4 min read

In short

Most people over 40 do not have a knowledge problem, they have a structure problem.
Motivation alone does not survive the days you do not feel like it. A system does.
Coaching works mainly because it adds structure, accountability and a fixed rhythm.

I spoke to a woman recently during a first conversation. She is going through the menopause, she has a demanding job, and she said something I hear almost every week:

"I actually know what I should be doing. I just cannot keep it up."

She knew strength training matters. She knew food affects her energy and her weight. She was not short of information. Not short of good intentions either. And not short of motivation: she rated the importance of her health a solid eight out of ten herself.

Still it kept slipping. Spells where she was doing well, followed by weeks where all of it disappeared. And since the menopause started she felt her body cooperating less as well: less energy, weight harder to control, no fixed routine left.

The problem is not knowledge

This is the pattern I see in almost everyone over 40 who sits down with me. Nobody arrives asking "what is a squat?". They have all read the articles, watched the videos, maybe even followed a plan before.

The problem sits elsewhere. It sits in the fact that you are trying to do all of it alone :

Without a structure someone has thought out for you
Without anyone counting on you when you do not feel like it
Without a system that keeps you on track on the hard days too

On a good day you need nobody. But getting fitter does not happen on your good days. It happens on the days when you are tired, when work is heavy, and the sofa is more appealing than the gym. Those are exactly the days you lose the negotiation with yourself.

Why I advise twice a week, not once

In that conversation I advised her to train twice a week. Not because two sessions earn me more, but because I know from experience what once a week does: it becomes an island in your week. Cancelling one appointment feels like nothing, and two weeks later the rhythm is gone.

Two fixed slots a week works differently:

Two moments where someone is counting on you
Two moments where you do not have to negotiate with yourself again
Enough frequency to genuinely get stronger, including through the menopause

The training stops being a decision. It is simply Tuesday.

"But I already pay for the gym"

This is the thought almost everyone lands on, including the woman in this conversation. You already have a membership. Why invest in coaching on top of it?

The honest answer: if your membership is working, keep at it. But look back for a moment. How long have you had it? And what has it brought you so far?

A membership gives you access to equipment. It does not give you a plan, technique or progress, and above all it gives you no reason at all to show up on the days you do not feel like it. That is not a criticism of you. It is simply not what a gym membership is built for.

People rarely decide on the basis of training plans. They decide on trust, on timing, and on one question: am I ready to actually do something with this?

What you can do with this yourself, today

You do not have to buy anything to get something out of this. Three things you can do yourself this week:

Put your sessions in as appointments. Fixed day, fixed time, in your diary. Not "train sometime this week", but Tuesday 18:00 and Saturday 09:00.
Tell someone about it. A friend, your partner, a colleague. Someone who asks how it went. Accountability does not have to be expensive, it just has to exist.
Lower the bar for bad days. The rule is not "train perfectly", the rule is "turn up". A mediocre session that happens is worth more than a perfect one you skip.

And if you notice you have tried this before and it keeps fading, that says nothing about your willpower. It says you have a structure problem, not a knowledge problem. That is good news, because structure can be fixed.

Frequently asked questions

Why can't I keep it up, even though I know what to do?

It usually falls apart because knowledge on its own gives you no structure, no accountability and no system for the days when you do not feel like it. Most people over 40 I speak to know perfectly well that strength training and nutrition matter. The problem is not what they know, it is the absence of a fixed rhythm and of someone who is counting on them when motivation drops away. On a good day you need nobody, but getting fitter does not happen on your good days alone. Without structure it fades after a while, even for people with good intentions and plenty of knowledge. A system that keeps working on the hard days is what makes the difference. That can be something simple, like a fixed appointment you will not casually cancel, or someone coaching you who is expecting you. The point is not to gather more knowledge, it is to make the behaviour itself easier to sustain.
Source: meta-analysis on habit formation and physical activity (IJBNPA) →

What can I do myself if I keep falling back into old patterns?

If you keep falling back, the answer is not more information but structure: fixed moments that do not depend on motivation. Choose set training days and times instead of 'when it suits', and make sure something or someone holds you to it when you want to skip, whether that is an appointment with a trainer or a training partner. Small, repeatable habits beat large intentions. At Infinite Health that is a large part of what coaching is worth: not handing you new knowledge, but building a rhythm that keeps working on the days you cannot manage it yourself. That gap, between knowing what is good for you and actually continuing to do it, is exactly where most people over 40 get stuck. One practical test: look back at last month and count the sessions that actually happened. If that number is lower than you assumed, the problem sits in the plan around them, not in your willpower.

How long does it take before training becomes a habit?

Longer than the often quoted 21 days. Research into habit formation shows that for health behaviour it is a matter of months rather than weeks, and that the spread between people is wide. Exercise sits at the slow end, because it takes more effort and preparation than, say, drinking a glass of water. What tips it is not willpower but repetition in a fixed context: the same day, the same time, the same place. The more predictable that context, the faster the behaviour becomes automatic and the less you have to think about it. Practically that means two fixed slots a week you keep for months beat four shifting ones you drop after three weeks. And a missed week does not undo it, as long as you pick the same rhythm back up in the same context instead of designing a whole new plan.