What you do know is that you need to be a lighthouse for him. Whatever he needs to fix is his to fix and between him and his girls. I know that this is newbie speak but a lighthouse doesn't dash around trying to chase ships into the harbour.
Your job as someone who cares about him is to care about him. To hold him up when he falters. But the direction he travels is his alone to determine.
On BD H52, W50 T27, M26 S21, D23 BD-9-Mar-16 D-15-Jan-18 Final-19-Apr-18 I am a storyteller. The story may do you no good. But a story is never for the listener. It is always for the one who tells