I never get runners high, but have always attributed that to me just being weird, as usual. Ever sunce I was little I have a habit, reflex, or whatever one shou

I never get runners high, but have always attributed that to me just being weird, as usual. Ever sunce I was little I have a habit, reflex, or whatever one should call it, to breath quite slowly and deliberately during any extended exercise. Never thought it could be related, but maybe it is?