I know what the popes prior to VC II taught. I will not obey two masters.
YOU. DON'T. HAVE. A. CHOICE. as a Roman Catholic.
That's the part that amazes me. Roman Catholics condemn non-Roman Catholics for the very thing you are doing....not following the pope.
I would imagine for you that would be a "mortal sin" to not follow the pope.
You sure appear to be in violation of your denomination's canon law:
Can. 1373 A person who publicly incites among subjects animosities or hatred against the Apostolic See or an ordinary because of some act of power or ecclesiastical ministry or provokes subjects to disobey them is to be punished by an interdict or other just penalties.
Well, if Francis is not the valid pope, as elected by the college of cardinals, then there is no unbroken line of apostolic succession.
Who was the last valid pope, ebb?