>>38754974>a few outliersThe majority of people who get divorced end up in multiple other relationships, you goofball.
>the majority of changes to the social norms have been negativeI understand where you're coming from with this, but you have to understand that the vision of the past you're seeing is a lie. The stable nuclear family model is a very recent invention, the older model involved the extended family all being in close contact with eachother and often living together explicitly to create a much better support structure for kids to grow up in and to take pressure off the parents.
The reason why marriages are falling apart more than ever is not the birth of promiscuity and nihilism, it is the continuation of material conditions making it harder and harder for people to reasonably support themselves and their families both financially and emotionally.