What can be done to mend relationship with one in times past considered as a dear friend, in light of him becoming revealed as spiritually insolvent?

[flautistnaturist]

If it becomes apparent that living only for appearances is his norm, and that him misrepresenting reality doesn’t even phase him, and no amount of leveling with him about it brings anything but disapproval of the efforts, how can restoration best be hoped for to proceed?

[Guy13]

Let the individual run himself into the ground. Withdraw from relationship but be available when the bottom falls out...