He's got to dig deep if no one comes to his rescue.
He got himself into this mess. Now what ??? Leave that to him to comprehend.
He sends a letter and you and the family can all go back to the old way... but nothing changes if nothing changes.
As you all learn a new way, so might he.
Good thing you paused until you knew your next best action...which will be inaction.
Stay your own course...you're doing well.