Your English is excellent, better than some native speakers. I can clearly understand every word you write. I hope you understand my words as clearly as I understand yours. I only wish I could communicate as clearly in your language. Alas, I cannot.

Staring is indeed threatening. I prefer to gaze - discretely, I hope. When I gaze, I try to catch the eye of the subject of my gaze and give her a warm smile.😊

They are rude, inconsiderate people. I have no idea how to rid the world of rude inconsiderate people. Unfortunately, you seem to encounter more than your share of them.