This line is particularly odd:
"And like I told Barack, if I reached something where there's a fundamental disagreement we have based on a moral principle, I'll develop some disease and say I have to resign"
Is he forgetting that Harris would be the VP?
https://www.washingtonexaminer.com/news/biden-jokes-that-if-he-had-disagreement-with-obama-as-vp-he-would-have-developed-some-disease-and-resign