Maybe you knew about this already, but posting this anyway as it might be useful to someone else.
“Self-inflicted deadlines don’t work because I know the person who set them and he’s full of shit.”
Not that easy I guess!
Only beforehand. In the moment, when you're jonesing for your fix, HN won't let you in to undo the noprocrastination election (at least, that's how it used to be)—and that's good.
It's quite hard to unblock once started