Q: What does the bible mean when it speaks of adultery? How does it relate to swinging and spouse-swapping (assuming that couples are consenting).

A: Technically, by definition, adultery is the act of sexual unfaithfulness by a married man or woman. Biblically, Christ taught that sexual unfaithfulness even included lust. Sex, created by God, is exclusively between a married man and woman period (see Mt 5:27-30 and Luke 19:2-6). Except in the case of rape, consent is virtually irrelevant, in that even if both partners agree to have sexual relations with their partners consent does not negate God's view of it as immoral and damaging behavior. Take a good look at 1 Thessalonians 4:1-8.

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