I begin by considering an effect.
The only love affair I have ever had was with music.
Why become a second-rate Ravel when you're already a first-rate Gershwin?
I did my work slowly, drop by drop. I tore it out of me by pieces.
You might lose your spontaneity and, instead of composing first-rate Gershwin, end up with second rate Ravel.
If he'd been making shell-cases during the war it might have been better for music.