Smiling is a powerful tool that one can use to change the world. It's true that the world is filled with ups and downs, thorns and problem but you can change the world with your smile..
Smiling doesn't mean that you don't have problems or that your life is perfect..Its actually means that you are strong enough to have faith that your problems is not permanent but temporary.
You don't know whose life you are affecting positively with those cute smile of yours.
Smile always
Be happy
Be grateful and don't allow the world or problems of the world take away those sweet smile..
Have a great day
It is really important to do so