He needs to feel the pain and simmer in the oven for a while.
The only caveat is that if he’s depressed and you think he’s at risk of self harm, you have a responsibility to tell someone. Many mental health or depression help lines have a system where if you ring them and provide his details, they’ll give him a call and give him the opportunity to talk to someone.
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712