For men taking the Air Force physical fitness test, the best possible time to run 1.5 miles is in less than . A. 15 minutes, 30 seconds, B. 13 minutes, 36 seconds
C. 9 minutes, 12 seconds
D. 10 minutes, 23 seconds

Answer- try to focus on something other than peopleexplanation- get a fidget to stare at

It can be peer pressure, also when they’re going through a lot of stuff at home

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)