Alternatively have a lock box and hand the key to someone else and tell them not to hand it over until a set date, no matter how much you whine

It won't really stop you if you're determined, but it can be enough to push the decision-making brain back in control.
I vape it. Don't do that, lol. I was introduced to it that way, and can't use any other method now unfortunately. And it's particularly fiendish taken this way, it become an entire addictive art-form that you can't help but try to become expert at. Even thinking about it is kicking off all these addictive cues in my head right now lol.