When you massage someone, the levels of oxytocin go up in the brain, and oxytocin is one of the chemicals that drives attachment.

Men tend to be hierarchical, but women are driven to make lateral connections so they can cooperate.

Men are so visual, they see a woman who appeals to them physically, and it will trigger the romantic love system faster.

As women in industrial societies join the paid workforce, they gain the economic means to depart unhappy marriages more easily.

Experiences shape the brain, but the brain shapes the way we view experiences, too.

People have been looking for love potions since hunter-gatherer societies.

Scientists know that women gravitate to men who have a different immune system from theirs.