我夫家是美國人, 我們住在美國, 可提供一點經驗, 供你參考
美國一般避免問隱私性問題, 他們對隱私的範圍定義一般而言(不談例外)包括:
1. 問年齡 (generally senior people may be OK with such question)
2. 收入 (don't ever never ask)
3. 已婚?未婚?(由其不很熟時)
4. 有小孩嗎? 何時生?為何不生? (some people may talk about their kids. if they don't or never talk, then don't ask)
5. 問外表上的一些變化, 例如 決對不可問有關變胖?變瘦問題, 還有像人家臉上長了痘痘或其它東西, 不要關心去問"怎麼了?" 然後想提供秘方, 或是批評人家的穿著 (除了可稱贊說 "you look great!" or "I like your coat!"此類問後語是安全的 or "I like your hair!" is acceptable, too. but don't ask where they go to get their hair done unless they talk about it)
6. 問對方買什麼東西? 在那裡買? 花多少錢? (sometimes it's ok to ask for small things such as food, but never ever ask items such as 穿著, 化妝保養品, 房子, 車子, 家具.....等等)
In addition,
-- Most American people prefer taking shower in the morning than at night.
-- Most of them don't take shoes off in their house. They don't have "slippers" such thing prepared for visitors to wear in their house.
-- they like drinking icy cold drink. they think hot water is yak!
-- usually they don't like people call them after 9:00PM
-- they say "Excuse me" when their body makes noise (such as burp)
-- most of them move out of their parents' house and live by their own after 18 years old or after college graduation. if they don't, they get teased.
我現在只想到這些啦!