an act of being as good as a drug

(1)No cigarettes, no alcohol, no drugs, I’m on a boring run.
(2)Poison? I don’t know. Running is a drug. People who’ve run a little know why they’re addicted to running.
(3)If you run for more than 30 minutes, your body becomes lighter and your head becomes clearer, and it feels cheerful.
(4)It’s called “runners high” or “running high”.
(5)At this time, even if you run for a long time, you won’t get tired at all, and you want to keep running. If it’s at least four minutes long, it can last more than 30 minutes.
(6)The state of consciousness at this time is similar to that of heroin, morphine, or marijuana.
(7)be compared to orgasm