One Fat Lady And One Thin Lady

Let's set the scene: You're walking on the street and you're approaching another pedestrian...You make a move to let the other person pass you...But the other person makes no effort to make room for you! Grrr!! Jess and Denise share the manners they value most, and vent their pet peeves when others don't display common, everyday manners. What manners do you value most?