"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When you hit the big 1-8, you can make a ton of life-changing decisions on your own, like getting a ...

Turning 18 unlocks a lot of new experiences, like the right to vote in a national election, the ability to get a tattoo without a parent’s permission, and even to serve on a jury. You know, all those ...