A thought occurred to me: does Joe Biden know what the duties of the Vice President are? The vice president is supposed to preside over the Senate (though normally they are not involved in the day-to-day activities). The other main duty is to cast tiebreaking votes.
When the Vice-President is in the Senate he is the Presiding Officer of the Senate but is not allowed to participate in debate. John Adams, our second President and first Vice-President and a man known to enjoy a boisterous debate, once remarked that "My country has in its wisdom contrived for me the most insignificant office that ever the invention of man contrived or his imagination conceived."
Given how much Joe Biden seems to enjoy hearing himself talk something tells me he won't be spending any more time in the Senate as Vice-President than absolutely necessary.