The mother could be a narcissist at worst or, at best, created this dynamic to keep the kids fighting for her affection. Trump has done this with his kids and with his staff. He likes to keep people fighting each other.
Look up Karpman’s drama triangle. Learning about that helped me exit from the sick dynamic. I stopped caring about my mother’s approval long ago. Oddly, my mother complains constantly about my sister not doing enough for her and then praises me. I don’t like the praise as I consider it manipulative based on my mother’s past behavior. Also strange is how my sister says things like she wants comfort from my mom over a bad situation. I’ve never gone to my mother for comfort because she would always blame me. My sister seems to have the false made up idea of our mother as a good mother. I see my mom as someone who never sought help for her mental illness and made us all suffer as a result. |
Not only is it normal, it seems odd that you'd ask about it being normal. |
WTH? No that is not normal behavior unless you are referencing dysfunctional interpersonal dynamics. |
How did your MIL respond? My guess is that she likes the attention and is the driver of the behavior and rivalry (or if she's too senile to drive it now, she did for many years). That's why SIL immediately appealed to her. |
Not normal. Sounds like they jeed to grow up. How sad. |