Anonymous wrote:^wrong link above, meant to link the 2020 updated version, it has an orange cover. I think many of the local libraries also have a copy.

https://www.amazon.com/Children-Self-Absorbed-Grown-Ups-Getting-Narcissistic

You can't change your mom, OP. Processing more about it now will save you from complex grief when she goes. You disconnecting or reaching out doesn't change her. She and your sister likely have real issues.