"The First Cut Is the Deepest" is a 1967 song written and sung by Cat Stevens. It has become a hit single for five different artists: P.P. Arnold (1967), Keith Hampshire (1973), Rod Stewart (1977) Sheryl Crow (2003), and James Morrison (2006). The song is covered by more than a dozen other musicians as well.
I would have given you all of my heart
But there's someone who's torn it apart
And she's takin' almost all that I've got
But if you want, I'll try to love again