I'm at the plateau stage Now!! I'm so fustrated, like you i work out 5 times a week... I spoke with my personal trainer and she advised me to do interval cardio training now, in addition to weight training...instead of steady state cardioshe suggests...on the treadmill do 1 minute as fast as u can on an incline then a two minutes of recovery at your normal pace..repeat this about 8 times... my trainer has helped me alot i'm down 60 lbs and about 30 inches...