Happiness comes, happiness goes where it goes, no one knows! What's in store, who can guess? It could be . . . happiness! If you're in love, an' she loves you too Oh never break her heart, whatever you may do Don't say goodbye ( Don't say goodbye! ) to a love that's true ( to a love that's true! ) because if you should lose your one an' only all your life you may be lonely! Happiness comes ( Happiness comes! ) happiness goes ( happiness goes! ) where it goes ( where it goes! ) no one knows! ( no one knows! ) What's in store ( What's in store? ) who can guess? ( who can guess? ) It could be . . . happiness! Happiness comes, happiness goes where it goes, no one knows! What's in store ( What's in store? ) who can guess? ( who can guess? ) It could be . . . happiness! It could be . . . happiness! It could be . . . happiness!