Why we love and why we cheat

http://embed.ted.com/talks/helen_fisher_tells_us_why_we_love_cheat.html

“…as it turns out, there’s a very specific group of things that happen when you fall in love. The first thing that happens is what I call — a person begins to take on what I call, “special meaning.” As a truck driver once said to me, he said, “The world had a new center, and that center was Mary Anne.”