It's time to take an honest look at your relationship. There are plenty of couples who do reunite for the long haul and end up with a partnership that's healthier and happier than their OG relationship. (Press) No matter how devastated you feel when a relationship ends, indulging in the idea of a way more successful round two (cue heart-eyed emojis and the better-than-ever Miley and Liam), is generally not a good idea. "If a relationship ended, it’s for a reason," says Matt Lundquist , licensed clinical and social worker, a couples therapist in New York. "The vast majority of times people get back together, it's a bad idea." That said, there are plenty of couples who do reunite for the long haul and end up with a partnership that's healthier and happier than their OG relationship. To follow in the footsteps of fairytale reunions like William and Kate's (and avoid anything reminiscent of Kourtney and Scott's on-again-off-again fiascos) Lu