I think reasons are pretzels. Not literally, of course. Of course, the person who accused me of that probably thinks I might as well literally think of reasons as pretzels. Maybe I'll explain why at a later date. Consider three views about what reasons require. Tell me if any suits your fancy.
1. So long as you've A-d rationally/reasonably, there is nothing left over that the reasons that bear on whether to A could demand.
2. Reasons to A require conformity. So long as you A by some means or other, those reasons require nothing further.
3. Reasons require compliance. If R is a reason to A, the reason requires you to conform for that very reason (i.e., R).
I'll talk about a 4th soon. Comments are open.