It’s obvious fact that the first thing one notices is face and its expressions. Our face makes it very evident what emotions and feelings we share for the opposite person or situation. It’s is not wrong to say our face is a terrible liar hence, it is very important to practice how to look positive and appealing in any conversation. For say, always keep your eyebrows relaxed and not frowned, have a small smile on your face not to forget the genuine one, etc.