In this on-going review of Insanity blog series, the truth behind the Insanity 60-day weight loss program is revealed with a play-by-play description of what the program is really likeand more importantlyif Insanity really works! The Insanity Max Interval Circuit workout is one of the hardest routines during Month 2 of the Insanity 60-day program, and considering that ALL of the workouts are hard, that is saying something!Insanity Max Interval CircuitThe Max Interval Circuit routine is a full 60