We have lots of reasons to feel the opposite of Happy, don't we? Life is a constant challenge. For every High Happy feeling, there is a Low Sad feeling. It requires grace and mercy to bask in happiness. It takes energy to turn those frowns upside down.
Be encouraged. Tackle those worrisome issues that will creep up on you and steal your joy. Fight to have a happy environment around you.
Work for Happiness! Speak Happy thoughts! Sprinkle Happiness everywhere you go.