Tom: D A G A G [Verse 1] A G I thought that my first love would be my wife A G but in junior high she moved away from here. A G And I thought Johnny would always be my best friend, A G I haven't talked to him in fifteen years. [Pre-Chorus] A G Back when I had those fights with my old man, D D I never thought he'd be an old man. [Chorus] A G And I didn't know all those years ago D/F# G how the years would go flying by. A G Thought I knew it all but I was wrong D/F# G A G and I didn't know, I didn't know it at the time. [Verse 2] A G I never thought good jobs were hard to find A G 'til I let my pride cost me one. A G I never thought my whole life would change A G 'til I heard the doctor say I had a son. [Pre-Chorus] A G I never really thought that I was lost D D 'til I heard my dying mother sing 'Old Rugged Cross'. [Chorus] A G And I didn't know all those years ago D/F# G how the years would go flying by. A G Thought I knew it all but I was wrong D/F# G A G D/F# D G and I didn't know, I didn't know it at the time. [Outro] A G Oh, I thought I knew it all, oh, but I was wrong D/F# G A and I didn't know, I didn't know it at the time. F I didn't know, didn't know, didn't know A G A I didn't know, oh, I didn't know.