A lot of performers don't want to leave the circuit, the European opera house circuit, partly because most singers don't sing many concerts, or at least not while they are in their prime.
“The career of a writer is comparable to that of a woman of easy virtue. You write first for pleasure, later for the pleasure of others and finally for money.”
“The greater the feeling of inferiority that has been experienced, the more powerful is the urge to conquest and the more violent the emotional agitation.”