I hate working out. But I dutifully drag myself to the gym a couple times a week. Recently, I’ve been going to Orangetheory Fitness. For those not in the know, “Orangetheory is a science-backed, technology-tracked, coach-inspired group workout designed to produce results from the inside out.” (OTF) You wear a heart monitor that is connected to the gym’s system and during your workout, you are served up data that shows how hard you are working. The goal is to stay in the orang