#1

2) Calling people out if they don't maintain eye contact when clinking glasses. It is said that people who look away will have 7 years of bad intimacy.
#2

#3

The idea of "normal" is not fixed or universal, but shaped by the society, time, and environment people grow up in. Psychology Today explains that cultural norms are shared expectations that guide behavior within a group, meaning what feels natural in one place may feel unusual elsewhere.
In many cases, "normal" simply reflects what most people in a community do, rather than any objective standard. This is why everyday actions, like how people greet each other or structure their routines, can vary so widely across countries, even when each feels completely ordinary to those who live there.
#4

Edit: It's nice to see all the other countries that also have this habit. We are the toothbrush international league now.
#5

But, there's the 2. case: We have mandatory shooting here ("obligatorisches" aka "schiesswesen ausser dienst"), so you go to the shooting range: Many young guys don't have a car, so it's legal to transport these guns just with the train etc. without wearing your uniform.
There were actually some alerts to the police, made by tourists, which thought there was a criminal or active shooter on the way, the military did made a response to the press later and said, that was legal (that was the case of a radio moderator which had his gun with him as he was going to work in morning and to the shooting range on afternoon, he was ride his bicycle and had his rifle on him)
Today, the soldiers don't carry ammo with them, but in my time, that was before 2007, we had the "taschenmunition" (emergency ammo), which was a sealed package with 50x 5.56mm NATO rounds.
Maybe, this is not weird for US-redditors, but for many countries in the world with strict gun laws. Like in germany, a weapon have to be separated into parts, separated from ammo and always to be in a locked suitcase according to the law.
#6

These differences often become most visible when looking at how people adapt to new environments. Participate Learning describes culture shock as a process that typically moves through four stages: honeymoon stage when everything feels new and exciting, frustration stage when the novelty wears off, adjustment stage where people gradually become comfortable, and acceptance stage where the differences become normal.
While iconic places and landmarks tend to stand out initially, it is usually the small, repetitive habits of daily life that create the strongest sense of difference. Simple things like meal timing, personal space, or communication style shape daily experience far more than visual impressions, and even returning home can feel unfamiliar after adjusting to a different way of life abroad.
#7

Edit: I’m learning that some Americans experienced this in the US, which surprises me because I’ve never experienced it and I’m American (well, Mex-Am lol). Maybe it’s a regional thing? Idk.
Edit 2: added and removed somethings to be more specific about special moments/personal accomplishments because they don’t do it for birthdays only.
#8

#9

After inviting a few Uni friends to my hometown in Spain, a baffled former British friend said it was “really strange that Spanish people drank during lunchtime and dinner just for the pleasure of it rather than to get drunk”. She thought it was a “waste of money” to drink without actually getting drunk.. She was d**d serious.
That was a real cultural turning point for me.
Many of these everyday differences show up in simple actions that are often taken for granted. Escape Artist highlights how gestures and habits that feel automatic in one place can carry very different meanings elsewhere. For example, finishing all the food on your plate can imply the host did not serve enough in countries such as China, the Philippines, Thailand, and Russia.
Removing shoes indoors is expected in countries such as Japan and Korea, while certain hand gestures, like a thumbs-up, may be considered offensive in parts of West Africa or the Middle East. Equally interesting is that accepting gifts too quickly can be seen as impolite in Japan and China, where refusal before acceptance is part of the custom.
#10

Also here is more offensive to say no when you are invited to hang out and you don't want to do so, than saying that you will try and just don't show.
#11

#12

Don't get me wrong, it's not like everyone is doing this, but it's a noticeable minority and would be seen on a daily basis, even in winter.
Part of why these differences feel surprising is explained by Simply Psychology, which describes ethnocentrism as the tendency to interpret other cultures through the lens of one’s own. Because people learn their own cultural norms first, those habits often feel like the default way things should be done.
When encountering different customs, whether in greetings, eating habits, or social etiquette, reactions of confusion or curiosity are common, as unfamiliar behaviors are measured against personal expectations. Over time, this natural comparison helps explain why everyday life can feel so different from one place to another, even when the underlying needs and routines are often the same.
#14

#15

As these responses prove, what feels completely ordinary in one country can seem downright strange in another. Yet that's part of the beauty of exploring different cultures. It reminds us that there isn't a single "right" way to live, only different traditions shaped by history, geography, and generations of habit.
Of course, not every custom will make sense to everyone, and that's perfectly fine. Some might leave you scratching your head, while others may have you wondering why your own country doesn't do things the same way. Perhaps, you've ever shocked someone from another country with a "normal" habit from your culture? Tell us all about it!
#18

EDIT: they didn't came to our face saying "Hey buddy you're gay?', they simply misunderstood and told this friend of my they didn't know he was not straight. It was nothing disrispectful.
#19

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