He's generally considered weak. He likely got convinced by people around him. I think he really believed he could get away with it and maybe save his wife from imprisonment. He got away with stupid stuff for a few years already. He still thinks he's a victim in all of this and shows no sign of self awareness. I don't believe he had a real political plan to help the country other than self interest. But people still can't understand what exactly went through his mind believing this had any chance at success.

Ok this is not a clear answer :)