smiling

napping

is wise --- a smiling face dispels unhappiness

is smart --- your day goes the way the corners of your mouth turn.

Your day goes the way the corners of your mouth turn.

is risky --- people will wonder what you have been up to.

Smile... People will wonder what you have been up to.

is absolutely a kind of medicine --- it is almost impossible to smile on the outside without feeling better on the inside.

It is almost impossible to smile on the outside without feeling better on the inside.

is ensuring that later, your wrinkles will be well-placed.

Smile, so that later, your wrinkles will be well-placed.

is smart --- People seldom notice old clothes if you wear a big smile.

People seldom notice old clothes if you wear a big smile.