My sister's remarkable hypocrisy!

[Puffery]

I feel apologetic and sympathize with your experience I am sure we all have a similar story. Sadly the ones we call family all too often turn out to not be friends. It is definitely a painful experience being marginalized by the ones that are supposed to love us unconditionally. I hope you and your sister eventually come to an understanding tell then worry about the important things, about being happy!