Reasons not to get married - companionship.

If you're getting married because you want companionship, get a dog. It'll be more affectionate, cost less and won't bitch about everything you do, or don't do. Besides, marriage doesn't guarantee companionship as much as it guarantees "togetherness." And togetherness isn't always a good thing; imagine being chained to a toilet with one of your parents for 20 years. (Yeah, togetherness isn't so great now, is it?)

Misery (DVD) Remember how this almost turned out?

Most guys tend to gloss over a girl's less-than-ideal traits when first dating. But, when you're married to that girl—and you can't get away from those traits—they're all you notice. And living with a woman who annoys you day after day, month after month and year after year will, sooner or later, drive you to purchase a heavy-duty wood-chipper (even though you don't live near any trees).