The wicked will destroy the wicked. The wicked don’t like to be corrected or put in their place. They love to argue.
Truth always puts them in their place. They will hate you for it.
So, if you know you are dealing with a fighter say ” I understand”. Nothing more. They will use lies and emotional blackmail to shoot you down and win.
Never negotiate with a terrorist. That includes getting married to one.
They will break their promise and blow you up.