“Glory in the fact”? That’s going a bit too far! I would say Catholics recognize the significance of the fact that all of the Savior’s “select men” -— and that includes Peter, first in position among the Apostles-— are still prone to darkness of intellect, error and sin. IIn the case you cite (Jesus calling Peter “Satan”) it’s because it goes against all (uninspired) human nature to think that God would allow His beloved Son to be tortured to death.
And one of His select women is sinless.
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