Crossword clues for You'd better not believe it 3 lettersAnswerClueDOIYou'd better believe it!ISMYou'd better believe itYESYou'd better believe it!LIEYou'd better not believe itDOGMAYou'd better believe itNOFOOLINGYou'd better believe it!IDIDSOYou'd better believe itTENETYou'd better believe itTRUTHSYou'd better believe themTRUISMSYou'd better believe themTRUESTORYYou'd better believe itISMSYou'd better believe themFACTYou'd better believe it!