Thank you for your kind note. (1) When I said "How strange!" I was referring to the fact that the woman seemed offended by your teacher's courteous gesture. (2) Those of us (such as you and I) who were taught by our parents to be courteous to others would, OF COURSE, give up our seats to those who need those seats more than we do. Sadly, in every country, many people (young AND old) think only about themselves. For example, if there are two empty seats on a bus, many people will simply sit down in the aisle seat. They do not sit in the window seat, thus allowing another fellow human being who comes along later to sit in the aisle seat. Why are they so thoughtless? Because they simply could not care less about others. It's ME, ME, ME. (In good English: It's I, I, I.) I got a seat, they feel, so that is all that matters.
Student or Learner