eli5: Why does working out helps so much with mental health?

Question

I have OCD and working out ALWAYS makes me feel better whenever I have spikes. How does that work?

In: 896

Answer 1

I like the way Arnold phrased it once:

“A good physique is the ultimate status symbol. It cannot be won, cannot be stolen, cannot be bought, cannot be inherited, cannot be gifted.
It’s something productive you can do only for yourself and nobody else can take that