The room was warm.
Outside, it was two degrees.
Then my flatmate opened every window.
For a few seconds, I genuinely thought this was a mistake.
It wasn’t.
The windows stayed open.
Cold air rushed into the room.
The heating continued working.
And nobody seemed concerned that we were intentionally turning a comfortable apartment into a refrigerator.
That was my introduction to one of Germany’s most persistent habits.
Open the windows.
In the morning.
In the evening.
Even in winter.
Especially in winter.
At first, the logic felt completely backward.
Most of us spend winter trying to keep cold air outside.
Germany seemed strangely committed to inviting it back in.
The explanation, everyone assured me, was simple.
Fresh air.
Humidity.
Mould prevention.
A room needs to breathe.
There is even a specific word for it: lüften.
Not a special event.
Not a seasonal ritual.
Just a normal part of everyday life.
The more I lived here, the more I noticed how seriously people took it.
Apartments.
Classrooms.
Offices.
Train compartments.
Someone was always opening a window.
Not because the room felt cold.
Because the room had been closed for too long.
What fascinated me was not the habit itself.
It was the philosophy hiding underneath it.
The assumption seemed to be that comfort is not always the highest priority.
Fresh air matters more.
A healthy room matters more.
A little discomfort is acceptable if it serves a larger purpose.
That idea appears in surprising places throughout German life.
People walk when it rains.
People cycle when it is cold.
People hike in weather that would make me reconsider leaving the house.
There is a common German saying:
“There is no bad weather, only bad clothing.”
The first time I heard it, I thought it was about jackets.
Now I suspect it is about attitude.
The world is not expected to adapt itself to our preferences.
Sometimes we adapt ourselves to the world.
Opening a window in winter feels like a tiny version of that philosophy.
You accept five uncomfortable minutes.
In return, the room feels better for the next five hours.
It is a small trade.
Comfort now for comfort later.
The longer I live in Germany, the more I think modern life encourages the opposite approach.
We optimize everything.
We remove friction.
We avoid inconvenience.
We close the windows.
Turn up the heating.
Stay inside.
Order delivery.
Wait for perfect conditions.
Yet some of the things that improve our lives are slightly inconvenient.
Fresh air.
Exercise.
Walking.
Difficult conversations.
Things that feel uncomfortable in the moment but are valuable afterward.
Maybe that is why I eventually stopped resisting the ritual.
These days, I open the windows without thinking.
The cold air enters.
The room changes.
The day begins.
And every now and then, I remember how absurd the whole thing once seemed.
A warm room.
A freezing morning.
An open window.
Germany has a way of making those contradictions feel completely normal.
Perhaps that is the real lesson of lüften.
Not everything good feels comfortable at first.
Sometimes you have to let a little cold air in.
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