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

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.

I don't care how handsome or fabulous or funny the groom is, or how sweet and accommodating the bride, or vice versa. Marriage is hard.

If you had asked me when I was 28 and in my wedding dress if I ever thought I would end up in my forties flipping my husband the bird over potato chips, I'd say you were crazy.

[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.

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