◆In the morning,I usually greet "Ohayou gozaimasu(おはようございます)other, father.
However, I sometimes say "Ohayou(おはよう)" to them.
And, I say it to my young sisiter.
◆When I leave home, I say "Ittekimasu(いってきます)" to my family,
and they say "Itterasshai(いってらっしゃい)" to me.
◆When I get home, I say "Tadaima(ただいま)" to my family,
and they say "Okaeri(おかえり)" or "Okaerinasai(おかえりなさい)".
◆Before we go to bed, we each say "Oyasumi(おやすみ)" or "Oyasuminasai(おやすみなさい)".
② How do you greet people that are important in society?
◆I think that they may be bow at first.
◆They usually have a polite tongue.
③ Do you greet people from the opposite sex in a different way?
◆I greet almost same way the same sex and the opposite sex.
◆However, I do not do familiar with the latter than the former,
because the same sex is intimater than the opposite sex.
④ Do you hug anyone? If yes, who and when. If no, why not?
◆No.
I do not hate hug, but it is not custom.