Answer :
Richard is sexually attracted to men and not to women is defined in the text as his sexual orientation.
sexual orientation is the term used to define a person's pattern of emotional, romantic and sexual orientation. Beyond the ability to reproduce, sexuality define how a person is physically related to others.
Sexual Orientation is classified into following categories:
1. Hetrosexual: Attraction to people of opposite sex.
2. Bisexual: Attraction of people of either sex
3. Homosexual: Attraction to people of one own sex.
4. Pansexual: Attraction to people of any gender identity
5. Asexual: Not sexually attracted to other people.
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