Only the human mind invents categories and tries to force facts into separated pigeonholes.

Few males achieve any real freedom in their sexual relations even with their wives. Few males realise how badly inhibited they are on these matters.

The male's difficulties in his sexual relations after marriage include a lack of facility, of ease, or of suavity in establishing rapport in a sexual situation.

It is ordinarily said that criminal law is designed to protect property and to protect persons, and if society's only interest in controlling sex behavior were to protect persons, then the criminal codes concerned with assault and battery should provide adequate protection. The fact that there is a body of sex laws which is apart from the laws protecting persons is evidence of their distinct function, namely that of protecting custom.

We are the recorders and reporters of facts - not the judges of the behaviors we describe.

The very general occurrence of the homosexual in ancient Greece, and its wide occurrence today in some cultures in which such activity is not taboo suggests that the capacity of an individual to respond erotically to any sort of stimulus, whether it is provided by another person of the same or opposite sex, is basic in the species.

Cheese crumbs spread before a pair of copulating rats will distract the female but not the male.