Smile.
You never know who is in love with it.
Smile.
A smile can lift the way you feel.
Smile.
Meeting a stranger's eyes in the street with a smile will often beget a returned smile.
Smile.
Sunshine on a cloudy day is a smile on a bad day.
Smile.
Start it small with the corner of your mouth and work up to including your eyes.
Smile.
It will be the smallest yet best investment you'll make all day.
Smile.
Life is too short not to smile as much as possible.
Smile.
I am smiling right now, for no reason, I just want to.