Smile

Smile is one of the body language attraction. It's also the most important attraction that makes people would do business will you. Smile will bring a good first impression to others. Smile is also showing the confidence that you get. Happiness can bring people a great energy, good reviews and even a greater performance. When you are bring some happiness into the conversation, both speaker and listener would be more concentrated and have a good memory.

For having a good smile during the conversation, you don't need to learn how to have a prefer smile such as models. You just need to be yourself, having a fake smile would not help people to truth you, for this reason, you just need to smile in your own style. The second thing you can do is developing your confidence,there are nothing better than a confidence smile. Having a positive thoughts will also help a lot.