You were 22 Buying her a diamond Working 9 to 5 and overtime, paying off college Taking me to school You always found the time and You were baseball coach, and my ride home You taught me how to drive and You made it all look so easy How did you know? When it's time to say you love her How did you know? When to pack up and start over How did you know when to settle down All on your own, it was figured out How did you know How did you know Now I'm 23 She's been staying over When we're eye to eye, I see my life, I feel a little older And I've wondered when I'd see the day The light turns on, clicks into place And I'd know everything you knew at your age How did you know? When it's time to say you love her How did you know? When to pack up and start over How did you know when to settle down All on your own, it was figured out How did you know How did you know Cause I'm old enough to know That I don't have forever And there might not be a better time to ask How did you know? When it's time to say you love her How did you know? When to pack up and start over How did you know when to settle down All on your own, it was figured out How did you know How did you know