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In the Middle Ages, marriage was considered a sacrament ordained by God, and God also authorised the father to marry his children according to his wishes and interests. An extramarital affair was accordingly a brazen rebellion against both divine and parental authority. It was a mortal sin, no matter what the lovers felt and thought about it. Today people marry for love, and it is their inner feelings that give value to this bond. Hence, if the very same feelings that once drove you into the arms of one man now drive you into the arms of another, what’s wrong with that? If an extramarital affair provides an outlet for emotional and sexual desires that are not satisfied by your spouse of twenty years, and if your new lover is kind, passionate and sensitive to your needs – why not enjoy it?
But wait a minute, you might say. We cannot ignore the feelings of the other concerned parties. The woman and her lover might feel wonderful in each other’s arms, but if their respective spouses find out, everybody will probably feel awful for quite some time. And if it leads to divorce, their children might carry the emotional scars for decades. Even if the affair is never discovered, hiding it involves a lot of tension, and may lead to growing feelings of alienation and resentment.
The most interesting discussions in humanist ethics concern situations like extramarital affairs, when human feelings collide. What happens when the same action causes one person to feel good, and another to feel bad? How do we weigh the feelings against each other? Do the good feelings of the two lovers outweigh the bad feelings of their spouses and children?
It doesn’t matter what you think about this particular question. It is far more important to understand the kind of arguments both sides deploy. Modern people have differing ideas about extramarital affairs, but no matter what their position is, they tend to justify it in the name of human feelings rather than in the name of holy scriptures and divine commandments. Humanism has taught us that something can be bad only if it causes somebody to feel bad. Murder is wrong not because some god once said, ‘Thou shalt not kill.’ Rather, murder is wrong because it causes terrible suffering to the victim, to his family members, and to his friends and acquaintances. Theft is wrong not because some ancient text says, ‘Thou shalt not steal.’ Rather, theft is wrong because when you lose your property, you feel bad about it. And if an action does not cause anyone to feel bad, there can be nothing wrong about it. If the same ancient text says that God commanded us not to make any images of either humans or animals (Exodus 20:4), but I enjoy sculpting such figures, and I don’t harm anyone in the process – then what could possibly be wrong with it?
The same logic dominates current debates on homosexuality. If two adult men enjoy having sex with one another, and they don’t harm anyone while doing so, why should it be wrong, and why should we outlaw it? It is a private matter between these two men, and they are free to decide about it according to their inner feelings. In the Middle Ages, if two men confessed to a priest that they were in love with one another, and that they never felt so happy, their good feelings would not have changed the priest’s damning judgement – indeed, their happiness would only have worsened the situation. Today, in contrast, if two men love one another, they are told: ‘If it feels good – do it! Don’t let any priest mess with your mind. Just follow your heart. You know best what’s good for you.
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