The Issue: Overthinking is mental time travel gone wrong — the inability to stay in the present. You loop around regrets (past) or anxieties (future). Overthinking is hyperactivity of your prefrontal cortex—your brain’s CEO overworking to control uncertainty. 

Online Fitness Coach Tackle: Distract the mind, focus the body. High-skill drills (boxing combos, yoga balance poses) force present-moment attention. Post-session, use “thought auctions” (write down worries, physically tear them up) to symbolize letting go.