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.

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.

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.

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.

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.

Some psychologists argue that we fall in love with someone who is similar to the parent with whom we have unresolved childhood issues

We do this unaware we are seeking to resolve this childhood relationship in adulthood.

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.