Yes, I've used weed myself. It's not really my thing as far as getting high, but I find that a small amount of THC and a small amount of CBN are great for insomnia.
I do expect Amendment 3 to pass. I'm a Libertarian, so naturally I'll vote for it, but I think Democrats will turn out specifically for it, and that many Republicans will take Trump's endorsement as a reason to vote for it too.