Historically, sweat has been an active ingredient in perfume and love potions.g
In Bali, men believed a woman would fall in love if her suitor fed her a certain kind of leaf incised with the image of a god who sported a very large penis.e
The Mexican chief Montezuma considered chocolate a “love drug” and drank 50 cups of chocolate a day before visiting his harem of 600 women.a
Scientists suggest that most people will fall in love approximately seven times before marriage.h
Some individuals who claim never to have felt romantic love suffer from hypopituitarism, a rare disease that doesn’t allow a person to feel the rapture of love.e
Getting dumped often leads to “frustration attraction,” which causes an individual to love the one who dumped him or her even more.f
Love is derived from the Sanskrit lubh, which means desire
The term “love” is from the Sanskrit lubhyati, meaning “desire.”i
“Love” in the sense of “no score” in tennis dates to 1792 and means “playing for love” or, in other words, playing for nothing.i Other scholars claim that "love" as a tennis score is a corruption of the French word for egg, "L'oeuf," because of the egg's resemblance to a zero.m
Engagement rings are often worn on the fourth finger of the left hand because the ancient Greeks maintained that that finger contains the vena amoris, or the “vein of love,” that runs straight to the heart. The first recorded wedding rings appear in ancient Egypt, with the circle representing eternity as well as powerful sun and moon deities.l
Seminal fluid can potentially contribute to romantic love. Reports suggest that the liquid that surrounds the sperm contains dopamine (“the pleasure chemical”) and norepinephrine as well as tyrosine, an amino acid the brain needs to manufacture dopamine.g
The enduring symbol of love, Cupid (or Eros) is said to have come from Chaos (“The Yawning Void”) and represents the primitive forces of love and desire.n
The word “lesbian” is derived from the Greek island Lesbos, where the poetess Sappho composed her famous poems to her famous female lovers.l
Roses are a traditional symbol of love and, depending on their color, can suggest different nuances of love.n For example, red roses indicate passion and true love. Light pink suggests desire, passion, and energy; dark pink suggests gratitude. Yellow roses can mean friendship or jealousy. A lavender or thornless rose can mean love at first sight. White roses mean virtue or devotion. Some roses even combine colors to created more complicated meanings.k
European males subconsciously seek out women whose waist circumference is about 70%t of their hips. Beauty icons such as Audrey Hepburn, Venus de Milo, and even Twiggy had a waist ratio of exactly 70%.e
When a person falls in love, the ventral tegmental area in the brain floods the caudate nucleus with dopamine. The caudate then signals for more dopamine; the more dopamine, the higher a person feels. The same system becomes activated when someone takes cocaine.g
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.e
The apple has historically been the ultimate symbol of love and sexual desire
Since ancient Greece, the apple has been a symbol of love. The Celts believed that the apple represented love because it lasted so long after being picked.n
A study of college students who had just been rejected by their sweethearts showed they had strong activity in the brain associated with the insular cortex, the part of the brain that experiences physical pain.e
Antidepressants may compromise romantic love because they enhance serotonin levels. Higher serotonin levels blunt emotions and inhibit obsessive thoughts about the lover, both crucial components of love.g
A four-leaf clover is often considered good luck, but it is also part of an Irish love ritual. In some parts of Ireland, if a woman eats a four-leaf clover while thinking about a man, supposedly he will fall in love with her.n
Some psychologists argue that we fall in love with someone who is similar to the parent with whom we have unresolved childhood issues, unaware we are seeking to resolve this childhood relationship in adulthood.f
Studies show that if a man meets a woman in a dangerous situation (and vice versa), such as on a trembling bridge, he is more likely to fall in love with her than if he met her in a more mundane setting, such as in an office.g
Mystery or “the chase” is often a critical element in romantic love. Sometimes called the “Romeo and Juliet effect,” a situation with challenges or obstructions is likely to intensify one’s passion for a loved one.g
Scientists suggest that the advent of cooking led to healthier food which, in turn, led to bigger brains and an increased capacity to woo potential lovers with new forms of linguistic and artistic seductive flairs.g
Men and women are subconsciously attracted to those with a symmetrical face
Men and women with highly symmetrical faces tend to have more lovers to choose from. Additionally, men with symmetrical faces begin to have sex four years earlier, have more sex, and have more affairs than their lopsided peers. Women also tend to have more orgasms with symmetrical men.c
Timing significantly influences love. Individuals are more likely to fall in love if they are looking for adventure, craving to leave home, lonely, displaced in a foreign country, passing into a new stage of life, or financially and psychologically ready to share themselves or start a family.e
Women around the world are more likely to fall in love with partners with ambition, education, wealth, respect, status, a sense of humor, and who are taller than they are. Women also prefer distinctive cheekbones and a strong jawbone, which are linked to testosterone levels. During ovulation, women become even more interested in men with signs of testosterone.g
Men in love show more activity in the visual part of the brain, while women in love show more activity in the part of the brain that governs memory. Scientists speculate that men have to size up a woman visually to see if she can bear babies, while women have to remember aspects of man’s behavior to determine if he would be an adequate provider.d
It is estimated that 40–70% of female homicides are committed by their lovers and spouses.b
In one of many polls on the subject, 60% of married American men say they’ve been unfaithful, compared to 40% of American women.b
The maple leaf is a symbol of love in China and Japan—and in North America, it was often engraved on beds of early settlers to promote peaceful sleep and pleasure.n