Survey 2 people. Ask them which acts they prefer (listed below), how often they participate in those acts, and which ones they feel stimulate the most self pleasure.

acting in groups of 3

Explanation:

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.