I think he will die.
we all will, eventually.
unless we address our family of origin stuff, our alcoholic parenting, we are likely to keep re-creating the scenario so we can try to get a different outcome THIS TIME. in short - a DO-OVER.
do you want to stop the pattern?
then STOP. break up with this person, and get very involved in your own healing. alanon, therapy, whatever it takes.