Father Fit PT

The Dad Tax

Six things fatherhood quietly changed. Tell me which ones are you, and I’ll show you where they put you in twelve months if nothing else changes. Then we’ll fix them and see what happens.

Step 1

Where you are today

Two numbers.

yrs
st
lb
Step 2

Which of these are you?

Be honest. A tidy answer gets you a useless number.

4
0
10
14

A pint, a large glass, a double and mixer. Only the increase counts, so if you drink less than you used to it won’t be held against you.

If nothing changes
If you make the changes
Changes plus coaching, in a fat loss phase

The next twelve months

Same habits, same year. Then tick things below and watch it move.

Now fix them

Tick what you reckon you could actually change.

What that actually means

Why that gap exists

This is the part that decides whether any of the above happens.

You just fixed those habits by clicking a box. Took about four seconds. Doing it for fifty-two weeks is a completely different thing, and it’s where almost everyone comes unstuck.

Not because they don’t know what to do. Every dad reading this already knows he should sleep more, drink less and train again. Knowing was never the problem.

And notice what the amber line does even when you fix everything. It goes flat. Stopping the gain and losing the weight are two different jobs, and only one of them happens by removing bad habits.

What happens to people doing it alone Sticking with tracking is one of the strongest predictors of losing 5% of your body weight. And fewer than half of people were still tracking by the end of the study. The group getting regular feedback fell away far more slowly than the group left to it. Burke et al., 2025, Obesity
Why a check-in changes it It’s called supportive accountability. Human support raises adherence through accountability to someone you see as trustworthy and as knowing what they’re talking about, with clear expectations you helped set. It was written for support delivered at a distance, by message, not standing over anyone. Mohr, Cuijpers & Lehman, 2011, JMIR
And the bit most coaches leave out When researchers tested a coach simply having access to someone’s tracking data, it was workable and people were fine with it, but they were straight that it isn’t proven to improve results on its own. Access isn’t accountability. Somebody actually reading it and coming back to you is a different thing. Butryn et al., 2020, Obesity

So the gap in that chart isn’t about willpower, and it isn’t about your metabolism. It’s about how many of the fifty-two weeks you actually finish. Same plan either way. You just do more of it, for longer, because somebody noticed when you stopped.

What the accountability is actually for

Being specific about this matters, because “accountability” is a word most coaches use without ever saying what it does.

It gets you started on the days you don’t fancy it. Not through motivation. Through the fact that Thursday’s session is already an appointment somebody else knows about, so skipping it is a decision you’d have to explain rather than one you can quietly make.

It stops a bad week becoming a bad month. This is the big one. On your own, you fall off on Tuesday and wait for Monday, and six of those a year is six weeks gone. With someone checking in, Tuesday gets caught on Wednesday and the week still counts.

It spots the thing you can’t see. You’re inside your own week, so you can’t tell that the problem is Sunday nights, or that you’ve been under-eating protein for a month, or that your sleep is what’s making the evenings hard. Somebody looking from outside can, usually in about ten minutes.

It takes the decisions off you. Most dads aren’t short of information, they’re short of capacity. Being told what to do this week, by someone who already knows your situation, removes the daily negotiation with yourself that costs more energy than the training does.

It keeps the plan matched to the life. Your week changes. Work goes mad, someone gets ill, the kids stop sleeping. A plan written in January is wrong by March unless somebody adjusts it, and most men just abandon it instead.

And it means somebody notices. That’s the whole mechanism, and it’s the one with the research behind it. Not surveillance. Not nagging. Just the difference between a week nobody will ever ask about and a week somebody will.

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What each one is doing

And how much the research actually supports it, said plainly.

The one underneath all six

None of that is a discipline problem. Every one of those behaviours runs through a single decision you made without noticing.

Nipper, missus, house, work, then you. Fifth out of five. And the list never gets to five.

Anything fifth on a list of five never happens, because life never runs out of items one to four. So the 11pm hour doesn’t get moved, the two short sessions don’t get defended, and the evening stays the only reward left.

Three hours a week out of 168, almost always taken from hours your kids were asleep for. The trade-off you think you’re making, gym against children, isn’t the trade-off that exists. The real one is whether you turn up to the hours you do get with anything left in you.

So which line do you want?

That’s the whole job. Working out which two of those six to touch first, then being the person who notices when you stop. A vision session and a life audit to start, then a video or voice note check-in every week and WhatsApp in between.

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