He'll step down, next guy will come in and start passing legislation. It'll be another fight over legitimacy, but they'll pass some bill about funding Israel, the Senate will take that one up, Biden will sign it, then we'll effectively never need a speaker again. Israel gets its money, and the government will still shut down on November 15.
Fuck this stupid government, seriously.
The Psychologists in my family only refer to Myers-Briggs in an anecdote from grad school: it was used as the ideal example of how to design a terrible test.
They say that, if you're going to do a personality test, long-form MMPI is the best of them, but personality tests are just academic exercises that don't tell the therapist as much as they could learn by just talking to the patient.