Baby, you don't know what you're doing to me Baby, you don't know the pain and misery Well, the very thought of knowing that you have been untrue Baby, you don't know what you're putting me through Baby, you don't know all the tears I cry Baby, you don't care how many times you lied Can't you see how much I love you? Can't you see how much I care? Baby, you don't know, and it's just not fair Oh, baby, you don't know how I feel inside I got an aching heart that I cannot hide Well, the news about your new love is spreading all over town Baby, you don't know how you put me down Baby, you don't know You don't know how to love And you don't know how to love And you don't know how to love