Well 49.9% of the electorate don't share your joy. Unless something very unusual happens the Senate remains Republican. And the House loses 10-15 Democratic seats. Usually the new President's party gains seats.
Biden will be President elect on December 12. And President on Jan 20, 2021. And paid media will go on and on and on about the damage Trump caused. And 50% of the country will ignore the media and go on about their lives.