Smile, how warm the word is! it can make anyone happy. and this happiness is from the bottom of heart.
Its not like enthusiastic laughter, but just warm, makes your heart warm.
Mothers smile is like a spring wind, so gentle when you are sad, it can make you happy again; when you fail, it can make you stand up and work hard again; when you give up, it can make you try your best again
Smile, so easy, but also so useful.
So, lets learn to smile. everyone needs others smile. when we give others a smile, we will feel happy, too. and maybe next time, when you need a smile, the person who received your smile will give it to you.
Lets learn to smile often, i believe it can even make the whole warm. living with a smile, every day will be sunshine.