Coke adds life!
If he does not step aside soon, he faces a strong likelihood of being killed off by agents of DNC using some kind of medical crisis induced by injections or additions to food, etc, Soviet-Russian style. So I would say, either he steps aside (he does not need to resign presidency, just LBJ scenario and say he isn’t running) or they off him. By end of this month. Fast action is required or the Democruds run into technical issues getting replacement legally available for voters.