It's typically difficult to let go something , but genuinely accepting the "next" is crucial for progress . Don't remain on what's finished ; instead, direct your efforts toward what's ahead . This https://www.youtube.com/watch?v=N4FBtGP7zSs&list=OLAK5uy_kaqfjK_D00GAl1qeI8R1YmIE36j-RCLho&index=1