Young women today do not marry the men they met in high school, or even the one they go out with at college, because they do not need to.

A world without love is a deadly place.

The brain was not built to walk into a bar, where you know nobody, and start a conversation. That's not the way humanity has courted.

There's a lot of talk about the positive aspects of love. We as a society downplay the danger, the anxiety, and the disappointment. We romanticize romance.

People live for love. They kill for love. They die for love. They have songs, poems, novels, sculptures, paintings, myths, legends. It's one of the most powerful brain systems on Earth for both great joy and great sorrow.

When people tell you to walk a certain way, it's like not thinking of a purple tomato. You can't not do it.

Why do we feel jealousy? Therapists often regard the demon as a scar of childhood trauma or a symptom of a psychological problem. And it's true that people who feel inadequate, insecure, or overly dependent tend to be more jealous than others.