I know a couple who is struggling on the brink of divorce. They have two kids, roughly 5 and 9, so in prime formative years and a split would be horrible. The mom stays at home but has started working part-time again because... the father has recently become a raging alcoholic. He was making decent money to support the family, but then lost his job, and then 5-6 more over the past few years. He works in a sales field where you get paid well, but get fired easily. It sounds like he drinks heavily, like blackout drunk on vodka and can barely get off the floor. She's had to call in sick for him, which is not a good look when you are a manager. Some people think he drinks so much he will just die like Matthew Perry.
The guy also took a HELOC or second mortgage against the home to start a business, but he had to leverage it aggressively, and that venture fell apart. So they owe double the price they bought their home for (it has appreciated so still has some equity).
Drinking that amount will ruin you physically, spiritually, emotionally. I also feel a bit for the guy in that his wife spends too much, like always wanting her and the kids to match. So the husband works, she blows it.
So far she's threatened divorce, begun working part-time to support herself and the family, and the grandparents expanded to a larger home so the family can come stay with them.
I wish I could just tell them, "He should humble himself and take a less volatile job that still pays the bills, obviously needs to go fully sober and she will simply have to spend less because they'll have a smaller income. Don't separate, and your kids will grow up more modest and also have some powerful life lessons." I don't know them well enough to give advice and I'm sure they've thought of that, but wanting to fix yourself and doing it are two different things.