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

How do you see these below?

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

Visual-kei

Can a cop pull you over walking home asking why you are out so late?

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

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).

Yaoi

What are some healthy ways to start losing weight without risking starvation mode or extreme food restriction?

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.

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.

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.

In Italy, how do people greet each other when they meet for the first time (e.g., on the street)? What's a good response to that greeting if you're not from Italy or don't speak Italian fluently yet?

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

“None of my business” is the common attitude.

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

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Moreover, buff guys are often avoided for their narcissism.

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

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

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