Okay so when i started dieting i was about 18-19% bf since then i cut down to about 14% eating right doing am cardio etc.. however today i was at work and i since the elevator was taking long i decided to take the stairs to teh 7th floor.. and boy by the 5th floor i was winded. i mean i've been eating right, working out 5 times a week doing cardio 6 times a week and then i get winded.. ? am i doing something wrong?