There's something of a common European culture, which has existed for centuries. Note: "European", not "EU". The EU is a steel tariffs union which has grown in scope to become an attempt of making member countries states in a federation.
The common European culture is foremost christianity, and secondly renaissance values, as well as nationalism. The latter mostly in domestic matters, such as welfare. But those values aren't exclusively European.
> For the sake of your mental health
Are you proud of expressing yourself in this way? Probably you're blowing off steam online anonymously, but if you rage and insult like this in real life whenever somebody doesn't agree with your opinions, you're not going to have fruitful interactions with other people.
