What is terrible is easy to endure. (fourth point of the Tetrapharmakos) and also:
PD 4 - Pain does not last continuously in the flesh; instead, the sharpest pain lasts the shortest time, a pain that exceeds bodily pleasure lasts only a few days, and diseases that last a long time involve delights that exceed their pains.
We've talked about this in many other threads, and maybe could use this thread to post links to previous discussions.