"Watching Scotty Grow" is a song written by country music singer-songwriter Mac Davis and recorded by Bobby Goldsboro in 1970 on his album, We Gotta Start Lovin. Davis recorded his version on his 1971 album, I Believe in Music. This song deals with a father witnessing the activities of his son growing up, while the father does his usual laid back adult activities. The phrase, "that's my boy" is us... Wikipedia