What is the sign of a smile? A smile is a strong sign of a friendly and ______ a

A smile is a strong sign of a friendly and open attitude and a willingness to communicate. It is a positive, silent sign sent with the hope the other person will smile back. When you smile, you show you have noticed the person in a positive way. The result? That person will usually smile back.  
    In many cultures the most common form of first contact between two people is a handshake. Be the first to extend your hand in greeting. Couple this with a friendly “hello”, a nice smile, and your name and you have made the first step to open the lines of communication. Direct eye contact shows you are listening to the other person and that you want to know about her.