Since you are already locked in in some preference anyway, you should figure out how to compute within it best (build a FAI).
you are already locked in in some preference anyway
What makes you say that? It's not true. My preferences have changed many times.
This is our monthly thread for collecting these little gems and pearls of wisdom, rationality-related quotes you've seen recently, or had stored in your quotesfile for ages, and which might be handy to link to in one of our discussions.