“I want to get a job done,” he said.
“Does being celibate help?”
“There’s a connection. But I don’t know what it is, it’s not causal. About the time sex began to go sour on me, so did the work. Increasingly. Three years without getting anywhere. Sterility. Sterility on all sides. As far as the eye can see the infertile desert lies in the pitiless glare of the merciless sun, a lifeless, trackless, feckless, fuckless waste strewn with the bones of luckless wayfarers…”
–The Dispossessed by Ursula K LeGuin