"Grey skies are gonna clear up! Put on a happy face."
Should you be needing a little lift, here's a link to Dick Van Dyke and Janet Leigh singing this fun song from Bye Bye Birdie. Or if you prefer, here are the great Tony Bennett and James Taylor (with a bit of talk; song begins about 48 seconds in).
He gives us "a garment of praise instead of a spirit of despair."