Fake smile

Americans are rather peaceful nation. Upon arrival in the United States, many of the behavior of ordinary Americans can surprise, for example, permanent apologies on the street of random passers -by, if the American passes by, then be sure to apologize, even if it passes 2 meters from you, and if it accidentally hurts (really accidentally), So here it’s generally not to get rid of the «sentries» apologies, even if you are to blame for this.