Diets are everywhere and not all of then work.  The Fat Burning Furnace review talks about how the Fat Burning Furnace programs teaches you how to work out most effectively in as little as 2 -3 days per week for less than an hour each time.  It will also teach you how important your diet is in weight loss.  Your workouts are most effective when they are done correctly with intensity.  With your workouts only taking up 20 -30 minutes of your day, two to three times per week you are more likely to stick with it.  Sticking with a weight loss program is the ke to success.