What happens when you are having sex and then youdon't want to have it anymore do you tell the person that you are having sex with that or not?

Not because you don't want to have sex with them???

Thats a weird question but ill answer it i think 5.

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.