[intro] Bb Eb Bb F C7 F [verse 1] C7 F I keep a close watch on this heart of mine C7 F I keep my eyes wide open all the time Bb F I keep the ends out for the tie that binds C7 F Bb Because you're mine, I walk the line [verse 2] F7 Bb I find it very, very easy to be true F7 Bb I find myself alone when each day is through Eb Bb Yes, I'll admit that I'm a fool for you F7 Bb Eb Because you're mine, I walk the line [verse 3] Bb7 Eb As sure as night is dark and day is light Bb7 Eb I keep you on my mind both day and night Ab Eb And happiness I've known proves that it's right Bb7 Eb Bb Because you're mine, I walk the line [verse 4] F7 Bb You've got a way to keep me on your side F7 Bb You give me cause for love that I can't hide Eb Bb For you I know I'd even try to turn the tide F7 Bb F7 Because you're mine, I walk the line [verse 4] C7 F I keep a close watch on this heart of mine C7 F I keep my eyes wide open all the time Bb F I keep the ends out for the tie that binds C7 F Because you're mine, I walk the line [outro] F