Women like signs of money and education - things that indicate that not only is this guy going to have some resources, but he's also willing to share them.

The Great Depression of the 1930s saw more American unmarried women working from nine to five, mostly in repetitive, boring, subordinate, dead-end jobs. But the number of working women doubled between 1870 and 1940. During World War II it doubled once again.

I can't conceive of caring more about my president than my own partner.

Keep an open heart. We are wired to find love.

Any kind of novelty or excitement drives up dopamine in the brain, and dopamine is associated with romantic love.

Until recently, we regarded love as supernatural. We were willing to study the brain chemistry of fear and depression and anger but not love.

When you look at the brain regions associated with picking up data from the body, a huge amount of the brain is devoted to picking up information from the lips and tongue.