What Fisher saw fascinated her. When each subject looked at his or her loved one, the parts of the brain linked to reward and pleasure—the ventral tegmental area and the caudate nucleus—lit up. What excited Fisher most was not so much finding a location, an address, for love as tracing its specific chemical pathways. Love lights up the caudate nucleus because it is home to a dense spread of receptors for a neurotransmitter called dopamine, which Fisher came to think of as part of our own endogenous love potion. In the right proportions, dopamine creates intense energy, exhilaration, focused attention, and motivation to win rewards. It is why, when you are newly in love, you can stay up all night, watch the sun rise, run a race, ski fast down a slope ordinarily too steep for your skill. Love makes you bold, makes you bright, makes you run real risks, which you sometimes survive, and sometimes you don't.
I first fell in love when I was only 12, with a teacher. His name was Mr. McArthur, and he wore open-toed sandals and sported a beard. I had never had a male teacher before, and I thought it terribly exotic. Mr. McArthur did things no other teacher dared to do. He explained to us the physics of farting. He demonstrated how to make an egg explode. He smoked cigarettes at recess, leaning languidly against the side of the school building, the ash growing longer and longer until he casually tapped it off with his finger.
What unique constellation of needs led me to love a man who made an egg explode is interesting, perhaps, but not as interesting, for me, as my memory of love's sheer physical facts. I had never felt anything like it before. I could not get Mr. McArthur out of my mind. I was anxious; I gnawed at the lining of my cheek until I tasted the tang of blood. School became at once terrifying and exhilarating. Would I see him in the hallway? In the cafeteria? I hoped. But when my wishes were granted, and I got a glimpse of my man, it satisfied nothing; it only inflamed me all the more. Had he looked at me? Why had he not looked at me? When would I see him again? At home I looked him up in the phone book; I rang him, this in a time before caller ID. He answered.
Sound familiar? Maybe you were 30 when it happened to you, or 8 or 80 or 25. Maybe you lived in Kathmandu or Kentucky; age and geography are irrelevant. Donatella Marazziti is a professor of psychiatry at the University of Pisa in Italy who has studied the biochemistry of lovesickness. Having been in love twice herself and felt its awful power, Marazziti became interested in exploring the similarities between love and obsessive-compulsive disorder.
Marazziti compared the lovers' serotonin levels with those of a group of people suffering from OCD and another group who were free from both passion and mental illness. Levels of serotonin in both the obsessives' blood and the lovers' blood were 40 percent lower than those in her normal subjects. Translation: Love and obsessive-compulsive disorder could have a similar chemical profile. Translation: Love and mental illness may be difficult to tell apart. Translation: Don't be a fool. Stay away.
Psychoanalysts have concocted countless theories about why we fall in love with whom we do. Freud would have said your choice is influenced by the unrequited wish to bed your mother, if you're a boy, or your father, if you're a girl. Jung believed that passion is driven by some kind of collective unconscious. Today psychiatrists such as Thomas Lewis from the University of California at San Francisco's School of Medicine hypothesize that romantic love is rooted in our earliest infantile experiences with intimacy, how we felt at the breast, our mother's face, these things of pure unconflicted comfort that get engraved in our brain and that we ceaselessly try to recapture as adults. According to this theory we love whom we love not so much because of the future we hope to build but because of the past we hope to reclaim. Love is reactive, not proactive, it arches us backward, which may be why a certain person just "feels right." Or "feels familiar." He or she is familiar. He or she has a certain look or smell or sound or touch that activates buried memories.
However, it turns out my theories about why I came to love my husband may be just so much hogwash. Evolutionary psychology has said good riddance to Freud and the Oedipal complex and all that other transcendent stuff and hello to simple survival skills. It hypothesizes that we tend to see as attractive, and thereby choose as mates, people who look healthy. And health, say these evolutionary psychologists, is manifested in a woman with a 70 percent waist-to-hip ratio and men with rugged features that suggest a strong supply of testosterone in their blood. Waist-to-hip ratio is important for the successful birth of a baby, and studies have shown this precise ratio signifies higher fertility. As for the rugged look, well, a man with a good dose of testosterone probably also has a strong immune system and so is more likely to give his partner healthy children.
I first fell in love when I was only 12, with a teacher. His name was Mr. McArthur, and he wore open-toed sandals and sported a beard. I had never had a male teacher before, and I thought it terribly exotic. Mr. McArthur did things no other teacher dared to do. He explained to us the physics of farting. He demonstrated how to make an egg explode. He smoked cigarettes at recess, leaning languidly against the side of the school building, the ash growing longer and longer until he casually tapped it off with his finger.
What unique constellation of needs led me to love a man who made an egg explode is interesting, perhaps, but not as interesting, for me, as my memory of love's sheer physical facts. I had never felt anything like it before. I could not get Mr. McArthur out of my mind. I was anxious; I gnawed at the lining of my cheek until I tasted the tang of blood. School became at once terrifying and exhilarating. Would I see him in the hallway? In the cafeteria? I hoped. But when my wishes were granted, and I got a glimpse of my man, it satisfied nothing; it only inflamed me all the more. Had he looked at me? Why had he not looked at me? When would I see him again? At home I looked him up in the phone book; I rang him, this in a time before caller ID. He answered.
Sound familiar? Maybe you were 30 when it happened to you, or 8 or 80 or 25. Maybe you lived in Kathmandu or Kentucky; age and geography are irrelevant. Donatella Marazziti is a professor of psychiatry at the University of Pisa in Italy who has studied the biochemistry of lovesickness. Having been in love twice herself and felt its awful power, Marazziti became interested in exploring the similarities between love and obsessive-compulsive disorder.
Marazziti compared the lovers' serotonin levels with those of a group of people suffering from OCD and another group who were free from both passion and mental illness. Levels of serotonin in both the obsessives' blood and the lovers' blood were 40 percent lower than those in her normal subjects. Translation: Love and obsessive-compulsive disorder could have a similar chemical profile. Translation: Love and mental illness may be difficult to tell apart. Translation: Don't be a fool. Stay away.
Psychoanalysts have concocted countless theories about why we fall in love with whom we do. Freud would have said your choice is influenced by the unrequited wish to bed your mother, if you're a boy, or your father, if you're a girl. Jung believed that passion is driven by some kind of collective unconscious. Today psychiatrists such as Thomas Lewis from the University of California at San Francisco's School of Medicine hypothesize that romantic love is rooted in our earliest infantile experiences with intimacy, how we felt at the breast, our mother's face, these things of pure unconflicted comfort that get engraved in our brain and that we ceaselessly try to recapture as adults. According to this theory we love whom we love not so much because of the future we hope to build but because of the past we hope to reclaim. Love is reactive, not proactive, it arches us backward, which may be why a certain person just "feels right." Or "feels familiar." He or she is familiar. He or she has a certain look or smell or sound or touch that activates buried memories.
However, it turns out my theories about why I came to love my husband may be just so much hogwash. Evolutionary psychology has said good riddance to Freud and the Oedipal complex and all that other transcendent stuff and hello to simple survival skills. It hypothesizes that we tend to see as attractive, and thereby choose as mates, people who look healthy. And health, say these evolutionary psychologists, is manifested in a woman with a 70 percent waist-to-hip ratio and men with rugged features that suggest a strong supply of testosterone in their blood. Waist-to-hip ratio is important for the successful birth of a baby, and studies have shown this precise ratio signifies higher fertility. As for the rugged look, well, a man with a good dose of testosterone probably also has a strong immune system and so is more likely to give his partner healthy children.
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