We’ve got a new Saturday tradition. Luckily for me, it helps me shape up for summer. Unlucky for my boyfriend, it involves cardio. Once again, we ventured off to the gym and tried another fast paced workout, otherwise knows as high intensity interval training or HIIT. (See last week’s workout here!) These intense HIIT workouts are proven to shed tons of calories in a short amount of time. Best of all, the workout keeps you alternating between exercises which keeps things...