Guys ask me, don't I get burned out? How can you get burned out doing something you love? I ask you, have you ever got tired of kissing a pretty girl?
In those days, it didn't take much imagination to come up with something that required great lyric development skills. You just thought of an experience that you might have gone through, and write it down.
No dancer can watch Fred Astaire and not know that we all should have been in another business.