I am sorry to hear you are having pain, luckily everyone I work with does not allow it to get that far.
I can be full weight bearing on the bad leg, actually doing that is another story. I do put weight on it with the crutches. If I am going any distance on the crutches I wear my biking gloves, it has alleviated almost all the pain of using them.
For the most part I am very positive and have been having fun picking out canes to walk with later.
Ken