“Normal sex lives,” for Christians, means that unmarried people are abstinent and married people are faithful.
Is there a third option? Can I be a horny libertine during months that contain the letter "R" or maybe during leap years? There must be a loop hole somewhere...
I'm no particular fan of Jimmy Carter, but in 1976 he committed a great act of candor when during an interview he confessed to have "lusted in his heart" for other women. Most find ourselves falling somewhere along that continuum of sin.