We have to hope that his army or his Strongmen in the Kremlin, are not prepared to do it. The longer the struggle goes on, the worse it is for both sides but the pressure builds on Putin. Putin is right that Ukranians and Russians have a common heritage. It may be once again their combined will which defeats the oppressor, which this time, is him.
There was a suggestion on the news today that Putin may be hoping for a scapegoat to blame before long, for the disaster he has caused - he is maybe looking inside Russia at that thousands who are against the war, along with blaming the incompetence of his generals. Hopefully, Putin will not be Teflon coated.