Dating 101 seven things no one tells you about marriage

Now I can use that effort to put someone else first, and it's not a wasted effort."—*Aaron, 30, Minneapolis; married three years *Your family and friends Marriage can squeeze out the singles you used to hang with, but it gifts you with a new entourage of relatives to call your own.

And couples agree this is a good thing…usually."I've been thrust into a new parental relationship, and it's been a pretty big change.

Dating 101 seven things no one tells you about marriage

Back before couples lived together pre-wedding, saying "I do" meant starting a totally different existence—new last name, new address, new (or any! "It was instant," says Chip Walker, a 28-year-old pharmacist in New York City.

Even in this era of been-there-done-all-that, marriage changes things.

My family's very laid-back about things like thank-you cards, for example, whereas Lauren's, if they don't receive one immediately, I'll get a call making sure I didn't die.

My parents are more Hey, do your own thing.' So I'm still learning to navigate."—"Marriage does change your friendships.

It shouldn't matter what my marital status is.