It's typically not until the demise of a relationship that we gain the clearest perspective about what actually transpired and where things went wrong. Warning signs we may have missed while we were in the throes of a new romance—or deep into a relationship in which we've invested so much time and effort into working—suddenly become glaringly apparent. But as we're navigating a new romance and getting to know someone, it's important to look out for red flags in a relationship.