Seseorang yang murah senyum lagi berwajah ceria biasanya mudah bergaul dan mempunyai banyak kawan. Sebaliknya, orang yang selalu bermuka cemberut dan pasang tampang masam, cenderung sulit bergaul dan sedikit temannya. Senyum adalah sinyal persaudaraan dan keramahan
Someone who is smiling again has a cheerful face, usually sociable and has many friends. Conversely, people who are always sullen and have a sour look, tend to be difficult to get along with and few friends. A smile is a signal of brotherhood and friendliness