Summary
Scenario 3: The Lovers
Robert and Mary are brother and sister. One night, while on vacation together away from home, and staying alone in a tent on a beach, they decided that it would be fun to have sex with each other, so they did. The following things about them are true. They enjoyed the sex. They knew that because of a medical condition, Mary could not get pregnant. They decided they would not have sex with each other again, and they have not, but they have never regretted the experience. In fact, they are still pleased that it happened, and consider it a special and positive event. It has also remained their secret.
a) Has anybody been harmed by the fact that Robert and Mary had sex together?
Yes
No
b) Would it bother or disgust you if you found out that a brother and sister you know personally were enjoying an on-going sexual relationship with each other?
Yes
No