Intro: Ronan: repeat) Four o'clock in the morning My mind's filled with a thousand thoughts of you ( repeat) And how you left without a warning But looking back I'm sure you tried to talk it through LeAnn: ) Now I see it clearly We're together but living separate lives Ronan: ) So wanna tell you I'm sorry Baby I can't find the words But if I could, then you know I would, yeah Chorus No I won't let you go, know what we can be I won't watch my life, crashing down on me Guess I had it all, right there before my eyes , yeah Girl, I'm sorry now, you were the last thing on my mind LeAnn: ?G) You carried me like a river How far we've come still surprises me Ronan: ) And now I look in the mirror Staring back is the man I used to be with you How I long for you Chorus No I won't let you go, know what we can be I won't watch my life, crashing down on me Guess I had it all, right there before my eyes , yeah Girl, I'm sorry now, you were the last thing on my mind Ronan: Girl I'm sorry I was wrong Could have been there Should have been so strong So I'm sorry, wooh Chorus No I won't let you go, know what we can be I won't watch my life, crashing down on me Guess I had it all, right there before my eyes , yeah Girl, I'm sorry now, you were the last thing on my mind No I won't let you go, know what we can be I won't watch my life, crashing down on me Guess I had it all, right there before my eyes , yeah Girl, I'm sorry now, you were the last thing on my mind