Scientific studies about relationships fascinate me, and I devour them hungrily, especially when they give big, fancy-sounding names to everyday experiences.

One study found that people who smile in childhood photographs are less likely to get a divorce.

Women tell stories; men want answers. Guys get impatient when we drone on forever; we get frustrated when they tune out.

[Newlyweds,] these optimistic young bastards, promise to honor and cherish each other through hot flashes and mid-life crises and a cumulative 50-pound weight gain, until that far-off day when one of them is finally able to rest in peace. You know, because they can't hear the snoring anymore.

Beyond the profound federal perks, married people make more money; we're healthier, physically and emotionally; we produce happier, more stable and more successful kids; we have more sex than our supposedly swinging single friends; we even live longer.

Women, we care a great deal about being thin and good looking, whereas men mostly care about sex - ideally with women who are thinner and better looking than they are.

Scientific studies about relationships fascinate me, and I devour them hungrily, especially when they give big, fancy-sounding names to everyday experiences.