Please list at least 4 topics and its fault examples, we should

Please list at least 4 topics and its fault examples, we should be avoided in initiating conversation in Westerners.
【正确答案】：① In Western culture, It's impolite to ask a person his or her age. This is particularly true of woman when she is over thirty.
eg: How old are you?
② About money, we should be avoided ask one's salary even you are good friends
eg: What is your salary?
③Westerners often feel offended at being told such things, like "Put on more clothes’ have protective, parental overtones, and hence may sound inappropriate tot he independent Westerners.
④Some Westerners never marry at all, others marry late, and some marry but don't ever have children. these questions will be embarrassment to unmarried people
eg: I’m sorry to hear that you don’t have a child. Do you have a kid?