In his interview skills, John Brady analyzed the disadvantages of the questions raised by reporters to the interviewees, such as how do you feel? and thought that these questions should not be vague, general and irrelevant  In fact, in terms of information acquisition, it is equivalent to standing still
It makes the interviewee unable to answer unless they deal with ambiguous or boring words
Only when interviewees deal with vague or boring words can they answer those vague and general questions.