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Why Your Weekends Keep Undoing Your Weight Loss (And How to Stop Starting Again Every Monday)

Writer: Samuel Constantinou-Coulter
Samuel Constantinou-Coulter
Sep 14
5 min read

You eat well Monday to Thursday.

You train a few times. You are conscious of your calories. The scales might even start moving in the right direction.

Then Friday arrives.

A meal out becomes a few drinks. Saturday starts with a bigger breakfast, maybe a takeaway later on, and by Sunday you are already thinking:

“I’ll start again properly tomorrow.”



If that sounds familiar, you are definitely not alone.

But the answer probably isn’t to become even stricter during the week.

In fact, that could be part of the reason the cycle keeps happening.



The Problem Isn’t Necessarily the Weekend

When someone tells me they are “really good all week” but everything falls apart at the weekend, one of the first things I look at is what “really good” actually means.

Quite often it means:

Eating as little as possible.

Cutting out the foods they enjoy.

Avoiding anything they consider “bad”.

Training more than they realistically want to.

Trying to create the biggest possible calorie deficit before Friday.

That can feel productive for a few days.

The problem is that you eventually reach the weekend hungry, mentally exhausted from dieting and desperate for some freedom.

Suddenly, the weekend becomes your opportunity to eat everything you have spent five days telling yourself you cannot have.

That isn’t a lack of willpower.

It is often a sign that your approach Monday to Friday is too difficult to maintain.



A Weekend Can Wipe Out More Progress Than You Think

Weight loss ultimately requires you to consume fewer calories than your body uses over time.

That doesn’t mean every individual day has to be perfect.

But it does mean your overall intake matters.

Imagine you create a sensible calorie deficit Monday to Friday, but then dramatically increase your food and alcohol intake across Saturday and Sunday.

It is completely possible to reduce or even eliminate much of the deficit you created earlier in the week.

The response many people have to this is:

“I need to be stricter next week.”

So Monday becomes even more restrictive.

Which makes the next weekend even harder.

And the cycle repeats.



Stop Trying to Earn Your Weekend

One of the biggest changes you can make is to stop treating enjoyable food as something you have to earn.

You shouldn’t need to survive on tiny meals all day because you are going out for dinner that evening.

You shouldn’t need to complete an enormous cardio session because you had a takeaway the night before.

And you certainly don’t need to punish yourself on Monday because you enjoyed yourself on Saturday.

You can make adjustments when you know you have a higher-calorie meal coming up.

But there is a big difference between being sensible and trying to starve yourself in preparation for it.

Eat normally.

Keep your protein intake up.

Have filling meals.

Then enjoy the thing you actually wanted to enjoy.



You Don’t Have to Say No to Everything

I lost more than 11 stone, but I didn’t achieve that by removing meals out, takeaways, chocolate, holidays and nights out from my life forever.

Learning how to include those things was actually an important part of making my results sustainable.

Because what would the alternative have been?

Lose the weight by avoiding everything I enjoyed, then somehow maintain those results while returning to normal life afterwards?

That was never going to work long term.

This is something I had to learn through experience.

There was a period where I believed the answer to improving my body was always to eat less, train harder and become more restrictive.

I became very good at losing weight.

What I hadn’t become good at was managing my weight while living a normal life.

Those are two different skills.



Make Your Weekend Look More Like Normal Life

You don’t need to turn Saturday night into a meal-prep session and refuse every invitation from your friends.

But you also don’t need to treat Friday evening until Sunday night as completely separate from the rest of your week.

A few simple things can make a big difference:

  • Keep some structure to your meals instead of grazing all day.

  • Include protein and filling foods as you normally would.

  • Decide which meals or social occasions you actually want to enjoy.

  • If you are drinking alcohol, be conscious of how much rather than pretending the calories don’t count.

  • Stay reasonably active, even if that just means walking.

  • Don’t deliberately starve yourself before a meal out.

  • Go back to your normal eating at the next meal rather than waiting until Monday.

None of these things are particularly exciting.

That is exactly why they work.

Sustainable weight loss usually comes from getting the basics right consistently rather than repeatedly searching for a more extreme solution.



One Meal Hasn’t Ruined Anything

This is probably the most important part.

You go out on Saturday.

You eat more than you planned.

Maybe you have dessert and a few drinks.

What happens next?

For a lot of people, the thought process becomes:

“I’ve ruined it now.”

Then Saturday night becomes Sunday.

Sunday becomes Monday.

Monday becomes:

“I’ll start properly next week.”

One meal was never the real problem.

What caused the damage was allowing one imperfect decision to turn into several days of completely abandoning the plan.

You do not need to compensate for an off-plan meal.

You simply need to get back to your normal habits.

Your next meal is another opportunity to make a sensible decision.




The Goal Isn’t to Become Perfect at Dieting

If you have spent years repeatedly losing weight and regaining it, you probably don’t need another diet that you can follow perfectly for six weeks.

You need an approach that still works when life happens.

Weekends.

Birthdays.

Meals out.

Holidays.

Busy periods at work.

Christmas.

Normal life.

Because losing weight is only part of the challenge.

Being able to live your life while keeping the results is the skill that really matters.

That is a huge part of how I approach coaching at The Viking Lifts.

I help men and women lose weight without expecting them to give up their social lives or organise everything around fitness.

For people local to me, I offer personal training from my private gym in Ashford, Kent. I also provide online weight loss coaching for people who want personalised nutrition, training, accountability and support wherever they live.



If you are tired of being “good” all week, undoing everything at the weekend and promising yourself you’ll start again on Monday, you probably don’t need to try harder.

You need a plan you can actually live with.

If that is what you have been missing, get in touch with The Viking Lifts and let’s talk about how I can help.



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