Let me be upfront about something.
This is a conversation I’ve had probably hundreds of times. Across a consulting table, in a gym, over the phone. And it almost always starts the same way.
“I don’t know what’s happened to me. I used to be able to eat whatever I wanted. it must be my age”
Sound familiar?
Here’s the thing. You’re not imagining it. Losing weight in your 40s, 50s, and 60s does feel harder than it did when you were 25!
But what most people think is to blame — that your metabolism has fallen off a cliff — is mostly wrong.
Research actually shows that, after accounting for body size, energy expenditure (metabolism) stays pretty stable from your 20s through to your 60s. The meaningful metabolic slowdown happens much later.
So if it’s not your age or your metabolism, what is it?
1. You move less. A lot less.
When you were younger, movement was just built in. Walking to school. Walking to the train. On your feet constantly without thinking about it. Even weekends out on the town — you were burning calories without trying.
Now?
- Most people sit for 9+ hours a day.
- Drive everywhere.
- Have a job that keeps them at a desk.
The incidental movement that used to quietly do a lot of the heavy lifting has all but disappeared.
2. You have more access to food than ever before.
As you age in adulthood you have more money. More freedom. More opportunity to eat out.
You have apps that deliver anything to your door in 15 minutes. More snacks in the house. More occasions that centre around eating.
All of it adds up. And there’s a lot more of it now than when you were 25..
3. Your life is full of food-centred events.
Kids’ birthday parties. Work lunches. Networking drinks. Barbecues. Take-Away Fridays. Dessert after dinner because you’ve had a long day and you’ve earned it.
None of these are inherently a problem. But they happen constantly now, and they didn’t when you were younger.
4. You probably care a bit less than you used to.
This a big one that doesn’t get spoken about.
When you were younger, there was probably some pressure — social pressure, vanity pressure — to look a certain way or fit a certain image.
Now, most people care less about what others think. Which is actually healthy and a net positive – but it can mean there’s less daily friction keeping eating habits in line.

5. Your environment makes overeating ridiculously easy.
There is food in the office.
Food in the kitchen.
Food on the way home.
Food at events.
Food while driving.
Food while watching TV.
You’re now surrounded by easy calories all day long, and that makes avoiding snacking much harder.
So here’s the actual good news.
If the problem was purely age — if your body was just fundamentally broken — there’d be nothing you could do. You’d be stuck.
But that’s not what’s happening. The problem is lower activity and more high-calorie situations. Both of those are changeable.
Walk more. Strength train. Pay attention to the liquid calories, the mindless snacking, the food that appears at every work event known to mankind.

None of this requires eating like a monk or training like you’re 25.
Just some honesty about what’s actually changed — and being a bit more intentional about it.
That’s exactly what we do at The Performance Hub. No judgment. No six-pack obsession. Just real strategies for real people who want to feel better in the body they’re in.
If that sounds like you, come and have a chat. First one’s always free.
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