“There were real reasons that you were attracted to somebody originally. The brain doesn't pick willy-nilly. Unless you part ways hating each other for some reason, that mechanism could get triggered again. You can literally fall in love again.”

American anthropologist, human behavior researcher, and self-help author

Helen Elizabeth Fisher was an American anthropologist, human behavior researcher, and self-help author. She was active in the late 20th and early 21st centuries, and is known for her work on human behavior and relationships. Fisher was a biological anthropologist and served as a senior research fellow at The Kinsey Institute of Indiana University. She was also a member of the Center for Human Evolutionary Studies in Rutgers University’s Department of Anthropology. Before that, she worked as a research associate at the American Museum of Natural History in New York City.