Why do people take divorces as if someone just died when you both weren’t happy?

It’s really something I haven’t understood. Even when a woman/man was completely miserable in a marriage and they’re filing for a divorce, they’re still extremely miserable to be filing, even if the financial aspects are in order. It’s still something I can’t wrap my head around. Even people in abusive marriages, hate to be divorced. It makes me confused
Why do people take divorces as if someone just died when you both weren’t happy?
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