Why a big night out costs you more in food than it does in drinks

You had four pints and a couple of gins. Next morning you open the app, add it up, and honestly it's not that bad. So why has the week gone sideways?

Here's the direct answer. The drinks are rarely the thing that stalls your progress. The food you eat while you're drinking, and the food you eat the following day, is where the damage happens. Alcohol lowers your inhibition, sharpens your appetite and steers you towards exactly the stuff you'd walk straight past on a Tuesday. If you keep blaming the booze, you'll keep missing the actual problem.

What alcohol is really doing to your eating

Three things happen once you've had a few, and they stack on top of each other.

First, your inhibition drops. That's the whole point of a drink, and it's lovely, but the part of your brain that would normally say "I'll skip the chips" is the same part that switches off after the third one. You're not making worse decisions because you're weak. You're making them with a decision-making system that has been turned down.

Second, your appetite goes up. Most people notice they're hungrier when drinking, even after a full meal. Add in the fact that you're often out later than usual, and you've got a longer window where food is available and wanted.

Third, and this is the big one, the food that's around at that point is never a chicken salad. It's the kebab on the walk home, the sharing platter nobody planned to order, the crisps behind the bar. Late-night food is designed to be easy to eat a lot of. So you get a hungrier, less restrained version of yourself, put in front of the most calorie-dense options available, at the exact moment you're least likely to weigh it up.

The next day is where most of it actually happens

Here's the bit people miss. The hangover day usually does more damage than the night itself.

You wake up feeling rough, you're dehydrated, you slept badly, and you've got a genuine craving for salt, fat and carbs. So breakfast is a fry-up, lunch is a takeaway, and by the evening you've written the whole day off and ordered something else. That's two full days of eating well above your normal intake, not one night.

And then a lot of people make it worse by trying to fix it. Monday morning they skip breakfast, cut their calories in half and go hard in the gym to "make up for it". That approach almost always backfires, because by Monday evening you're starving and the whole thing kicks off again.

Why this is worth getting right

If you're a busy professional with a decent social life, you're not going to stop drinking. Nor should you have to. But if a night out reliably costs you two days of eating off-plan, and that happens two or three times a month, you're spending a meaningful chunk of every month undoing your own work. Fix the food behaviour around drinking and you can keep the social life and still get where you're going. That's a much better trade than giving up nights out entirely, which almost nobody sticks to anyway.

Three things to do instead

None of this requires you to sit in the corner with a sparkling water. It requires you to make the food decisions before the drinks make them for you.

1. Eat properly before you go out

A proper meal with a decent hit of protein before you leave the house does more for you than any amount of willpower later on. Going out on an empty stomach because you're "saving calories for drinks" is the single most common mistake, and it guarantees you'll be ravenous by the time the food decisions actually arrive. Eat first. You'll drink less too, as it happens, because you're not drinking on empty.

2. Decide your food plan before the first drink, not after the third

Pick your line while you're sober. Something specific and simple: "I'm having a starter and a main, no pudding," or "I'm not stopping for food on the way home." Say it out loud to whoever you're with if it helps. The reason this works is that you're using sober-you to make the call, rather than relying on three-drinks-in-you to have the discipline. Deciding in the moment is exactly the thing alcohol takes away from you, so take the decision off the table in advance.

3. Protect the next day like it's the main event

This is the one that will move the needle most. The morning after, eat a normal breakfast with protein in it. Get some water down you. Then eat a normal lunch and a normal dinner. Do not skip meals, do not slash your calories, and do not try to punish yourself with a brutal session on no food.

Boring, ordinary eating the day after a night out is the whole trick. One night of surplus barely registers across a month. Two days of it, twice a month, absolutely does.

Where people get this wrong

• Saving calories for the night out. It feels sensible on paper and falls apart in practice, because you arrive hungry and end up eating more overall.
• Trying to compensate the next day. Under-eating on a hangover sets up a binge by the evening. Normal eating beats corrective eating every time.
• Blaming the alcohol and stopping there. If the takeaway from a heavy weekend is only "I need to drink less", you've not changed anything about the food, which is where the calories actually were.
• Writing off the whole week. Saturday night does not need to become Sunday, Monday and Tuesday. Get back to normal at the very next meal, not the next Monday.

Putting it into practice

Pick one of the three for your next night out. If you routinely go out hungry, start with eating beforehand. If it's the walk-home kebab that gets you every time, start with deciding in advance that you're not stopping. If your Sundays are a write-off, start with protecting the next day.

Try it across three or four nights out before you judge it. You're not aiming to be the person who orders a salad at the pub. You're aiming to stop one enjoyable evening from turning into a forty-eight hour detour. Get that right and you'll find you can go out as much as you like and still make progress, which is the whole point of doing this in a way that fits your actual life.

Want help putting this into practice?

Endeavour builds personalised coaching around your life, not the other way round. If you want a plan that survives a busy week, take a look at how we work:

• Transform for Men — body transformation coaching for busy professional men
• Transform for Women — body transformation coaching for busy professional women

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- Patrick Moorshead