This leapt out at me as well. Given the quote "some evenings", I'd put some money on him actually doing this near enough every day. And given the man was still doing this approaching 50, I'd put a bit more money on him having been doing this for, like, 25+ years.

If you want to maximize the chances of your weed habit causing you problems, this is exactly the sort of weed habit you should develop.

eh, that's a leap of faith assumption without knowing one's own dosage and personal effects.

someone who has 5 drinks a week and 5 drinks a day are going to have radically different longterm health consequences. but here we do not have said info.

light or microdose cannabis is way safer than alcohol.