While I appreciate your sentiment, we really need to stop with this specific type of pearl clutching.
The current president’s mental and physical condition is deteriorating rapidly. He will be lucky to make it through the current term in a functional state.
Adding another number of years to his time in office would mean that he almost literally would need to be propped up by his caretakers.
Is it possible? Sure. Is it probable? No, and it’s not even close, imho.
There is plenty of commentary that can be made about the political machine behind him, but let’s not project that to the dotard currently in office.