I'm 6'2, on October 1, 2011 I weighed 325lbs. I started eating between 1600-1800 calories a day. Also, I began working out for 2 hours a day, 6 days a week (lift for an hour, cardio for an hour). Today, March 29, 2012, I weigh 228lbs. I've lost 97lbs in 6 months & have yet to plateau. Is this...