What a great song! For me, it's right up there with Tomorrow Lies in the Cradle and Kisses Sweeter than wine for getting to what matters most in life.I remember those early 60's Kodak commercials showing a series of photos in in an album of various stages of a girl's life, accompanied by this song, and it went straight to my 6-year-old heart.
I don't have the exact lyrics to the boy version; I just know sme of the variations. I'll let you know if I find them.