从心学习--- 笑

How to smile:

- Practice good hygiene for your teeth。

- Get comfortable with smiling, be confidence of your self。

- Think happy thoughts, be positive thinking while you are smiling.

- Smile with your eyes.

- Develop your smile, practice it in front of the mirror, and choose the best smile
of yours.

- If you want to improve your smile, look at the picture of smiles that you believe
are beautiful.


p/s: Frown and you frown alone, smile and the whole world smiles with you..
So, 重新，从心学习--- 笑 ：）