How conservative the Japanese people really is? And the government?

Moreover, buff guys are often avoided for their narcissism.

How do you see these below?

In the old era, gay relationships were very common and were even praised among the privileged social classes, such as Samurai and monks.

Why does my narcissistic ex told me that he f*cked and sleep with other woman and then at the end says that it also happened because of me?

They were very similar to the bromance of today but accompanied by sexual intercourse.

Yaoi

They don’t tease or beat up cross-dressed people on the road.

Why do Muslims invade Western society?

I’ve heard it’s always the male side that is expected to take a move in some countries. It’s not the case in Japan.

They don’t have the value that “guys must be macho.”

They don’t bring around their mates everywhere, which means they don’t worry about being single, gay, or whatever because no one cares about whom others are having/ not having sex with.

Why do guys on dating apps often just first message "hey" or "hey how are you" instead of being more creative and unique? How do they think being a copycat will stand out?

This is a very vague question. But considering the asker’s comment on Mr. Nakajima’s answer, your interest seems to be in sex-related matters (I don’t think it’s the only indicator of conservative/ progressive, though).

“None of my business” is the common attitude.

They don’t have the so-called “couple culture” seen in many Western countries.

How does Bollywood influence Indian culture?

I sometimes feel people from the West are obsessed with those “gender” and “sex” things too much. Let’s think about something else sometimes. It’s unhealthy.

Visual-kei

It’s very common for a girl/ woman to ask a boy/ man to be her boyfriend.

Why is my ex trying to provoke an argument with me?

We don’t instantly tie it with sex when a father and his very young daughter are taking a bath together.