Note that the question tries to avoid the time inconsistency angle. You'd yield to one unit of X right now, given the chance, and you'd precommit against yielding to one unit of X right now, given the chance. Do any of your examples work like that?
Sometimes they do, yes. Not always though. There are times when I would like not to do something but some other subsystem is in control.
If it's worth saying, but not worth its own post, then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should start on Monday, and end on Sunday.
4. Unflag the two options "Notify me of new top level comments on this article" and "