The answer to the How Deep Is __ heartfelt song by the Bee Gees in CodyCross is YOURLOVE. CodyCross is an amusing word game. It is a word play game that challenges one's word knowledge in different categories and themes. If this clue had you baffled, you're not alone! Many of the puzzles in CodyCross are pretty tricky, but that's what makes the game so fun.