I've been phoning night and morning I heard you say "Tell him I'm not home" Now you're confessing, but I'm still guessing I've been your fool for so, so long Girl don't lie, just to save my feelings Girl don't cry, and tell me nothing's wrong Girl don't try to make up phony reasons I'd rather leave than never believe If this is it Please let me know If this ain't love you'd better let me go If this is it I want to know If this ain't love baby, just say so You've been thinking And I've been drinking We both know that it's just not right Now you're pretending That it's not ending You'll say anything to avoid a fight Girl don't lie, and tell me that you need me Girl don't cry, and tell me nothing's wrong I'll be all right one way or another So let me go or make we want to stay ... If this is it Please let me know If this ain't love you'd better let me go If this is it I want to know If this ain't love baby, just say so If this is it Please let me know If this ain't love you'd better let me go If this is it I want to know If this ain't love baby, just say so If this is it Please let me know (I wanna know) If this is it (If this is it) Please let me know (I gotta know) If this is it (You better let me know) Please let me know (Just say so) If this is it Please let me know