Most people think of failing a rep as a bad thing. You load the bar, go for the lift, aim for 8 reps, but you only do 7. The set is over, and it feels like something went wrong. But in strength training, that moment isn’t always a mistake. In fact, it can be a sign that you’re finally exercising with enough intensity to actually improve performance. The real issue for most isn’t that they fail too often – it's rather they almost never get close enough to real failure in the f