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

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

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.

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

Why do unattractive men assume that a pretty woman like me want them?

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 have the value that “guys must be macho.”

Visual-kei

Does the U.S military really prosecute military staff for cheating on their spouse, or do they close one eye if the cheating does not involve other military personnel since adultery is fairly common? Adultery is illegal in U.S military

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

Moreover, buff guys are often avoided for their narcissism.

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.

What was your best sex experience that still makes you horny?

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

“None of my business” is the common attitude.

Yaoi

What is the best technique for inserting a tampon into one’s anus?

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

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

How do you see these below?

NASA’s CODEX Captures Unique Views of Sun’s Outer Atmosphere - NASA Science (.gov)

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).