Forty minutes may seem like a long time to live on a treadmill, but if you pop in some good tunes, it goes much faster than you think!
If you feel like you're not seeing as much progress as you'd like, increase your cardio workouts to five days per week. Otherwise, do this double-day cardio plan three days per week. Yeah, it's hard. But, you're in this to get chiseled, so get your mind right.
You dropped your carbohydrate intake for this phase, so it's really important that you use them to fuel your workouts. Schedule your higher-carb meals for before and after your workout.