If he quits, does the other guy come back? Do they just elect another one?
Not sure how those rules work.
From last bread:
Its complicated
Can. 188 A resignation made out of grave fear that is inflicted unjustly or out of malice, substantial error, or simony is invalid by the law itself.
https://www.vatican.va/archive/cod-iuris-canonici/eng/documents/cic_lib1-cann145-196_en.html
https://www.lifesitenews.com/blogs/unpacking-benedicts-resignation-what-if-francis-isnt-the-pope-after-all/
Canon Law, Canon 188, says that when someone in the Church resigns from their office, one of the things that would invalidate that resignation is something called substantial error. It’s when your intellect has an erroneous idea of the object that you were choosing, that your will is choosing. Well, if your intellect presents an erroneous object to your will and your will chooses it, your will is not free