Did you think my 20,000-steps-a-day challenge was hard? Think again, because my inner guinea pig lit a fire inside of me and posed yet another challenge: exercise for a pretty darn extreme amount of time every single day, ALL high intensity workouts, and no days off until the week is over. OH FREAKING SNAP. Fun … More I Exercised Intensely For +90 Minutes Every Single Day for a Week. Here’s What Happened.