Additionally, Rozin has found that it is not uncommon for people to like the body's defensive responses, such as the nose and eye tearing that result from eating hot peppers; and he says that people often eat chile at a heat
level close to the
highest they can tolerate, which means that liking chile is related to pushing the limits
of pain and
tolerance.
Or you can adjust the active to rest ratios where all the body's systems are adapting
high levels of aerobic capacity and endurance (to include mental toughness and
pain tolerance that comes with increased load and volume).