Be sure that you have never had any regrets in your life which only lasts for a few decades. Laugh or cry as you like and it's meaningless to oppress yourself.
A smile makes us look younger.....while friends make us feel stronger...and they make us enjoy life.
If you see a friend without a smile, give him one of yours.
Never stop smiling,not even when you're sad, someone might fall in love with your smile.
Everyone has beauty but not everyone sees it.