Sometimes it’s easy to tell if a girl just isn’t right for you. Other times, however, the question can weigh on a man for weeks, months or even years. So how do you know if she’s not the one? Every relationship is different, but the guys at Modern Man know a few tell-tale signs that might help you determine whether or not she’s right for you. Head over to Modern Man to check out the five signs your girlfriend isn’t the one.