[usr] My friend would not stop whistling even though she knows I can't stand it. [sys] Did you ask her to kindly stop? [usr] Yes but she wouldn't. I was so irritated by it. [qst] [None] [bhv] [None]
She may not be the best choice of a friend if she likes annoying you so much.  Maybe try distancing yourself from her for a while.
My friend would not stop whistling even though she knows I can't stand it. I was so irritated by it.