Now, hold your horses. Before you get too excited, this app can’t actually tell you who to marry. That’d be insane. But it can tell you when to get married, based on the marrying ages of your Facebook friend group—if you feel that’s a good way to determine the right time for you to get married. Just connect through Facebook and, boom, the app will tell you—to the day—when you should get married. And knowing “when” is half the battle …