...and if there is still the same problem as when I was a flt cdr the fact that you are wearing boots at all rather than wimpy trainers will be a big plus, plus factor that will almost guarantee graduation!
PS - Get your mind set on the fact that there is no such thing as a "stress fracture" - it's all in the mind; IOT is only for a short part of your life; the end result is worth the hassle and pain; the stress is in your mind not your legs and feet.