“Sexual intercourse is a poor substitute for masturbation.”
“Intercourse with a woman is sometimes a satisfactory substitute for masturbation. But it takes a lot of imagination to make it work.”
“Love between man and woman is impossible because there must not be sexual intercourse, and friendship between man and woman is impossible because there must be sexual intercourse.”
“Sexual intercourse vests no property rights.”
“Flirting is a promise of sexual intercourse without a guarantee.”
“Is food a substitute for love? No, love is a substitute for food. And a pretty poor substitute at that.”