Honor marriage, and guard the sacredness of sexual intimacy between wife and husband.
Hebrews 13:4

You’ve heard this before: Your brain is your most important sexual organ.

The statement underscores that the human sex drive operates out of the “cortex,” that thin outer layer of the brain where all learning takes place.

Humans use their highly developed brains to learn how, when, where, and whether they will give expression to their sexual urges—this ability for control is what separates us fr...