Im about to start attacking my new years resolution. I'll start the Insanity Workout today, already started eating better and put the alcohol away. im 27 years old and im already in pretty good shape. i work 40-70 yours a week at a somewhat physically demanding job. Im just looking to tighten up and trim some stubborn fat. I used to be pretty active at the gym but canceled my membership due to work and kids. Is there a good universal fittess site so i can brush up on my info and learn more