It happens when you least expect it. What could have been a killer workout is completely ruined the second you realize that you forgot your headphones. Although you try to salvage the sweat sesh, let’s be honest, it’s hard to get into it without a little Beyoncé in your ear. If this has happened to you, these heartbreaking stages will hit you right in the feels. And if you haven’t experienced this nightmare of a situation, consider yourself lucky . . . for now.