I look at this way.
Uncle Joe thinks he's up to it.
Dr. Jill Biden his very impressive wife doesn't seem the type to support him in this if she didn't agree.
Will he drop out?
It's possible but I wouldn't bet on it.
Trump might drop out also.
It is true that there is still plenty of time for it not to be a repeat Biden Trump contest.
But that is still the most likely.