Because we can have preferences over our preferences. For instance, I would prefer it if I preferred to eat healthier foods because that preference would clash less with my desire to stay fit and maintain my health. There is nothing irrational about wishing for more consistent (and thus more achievable) preferences.
Right, but your new set of preferences would have to be consistent with the old one. But a positive perspective change doesn’t necessarily mean that your new preferences are consistent with the old one.
Because we can have preferences over our preferences. For instance, I would prefer it if I preferred to eat healthier foods because that preference would clash less with my desire to stay fit and maintain my health. There is nothing irrational about wishing for more consistent (and thus more achievable) preferences.
Right, but your new set of preferences would have to be consistent with the old one. But a positive perspective change doesn’t necessarily mean that your new preferences are consistent with the old one.