I am natural child of two loving parents who adopted my sister when I was two. From earliest years my sister made comparisons and tested my parents claiming I was more loved as not adopted. My mother believed she needed to be shown more love and mostly acquiesced to her tantrums or avoided them by privately and quietly providing to my needs never in way might "set my sister off". She manipulated all friends and family dynamic to exclude me both as child and now as adult. My mum died suddenly when we were youbg adults with young families. If I booked a holiday she insisted on bringing her kids,,if they joined a club, her kids joined same, yet she told her kids I was horrible and tried to separate mine from me.
She married and told everyone I hated her husband causing further rifts and exclusion. At times of vulnerability she has shown a warm loving supportive side but her husband once said "she's only happy when things are going wrong in your life".
Wondering if this is common where children are mix of natural and adopted. It's been 60 years but caused so much pain now intergenerationally I often wonder if enough support available post adoption as I can see why she acted out this way and wonder if it will ever change. Hard to be loved and hated at same time. It's a pattern of being fully engaged with to explosive anger and vitriol and then ghosted. I feelwe are all chess pieces in her efforts to control. My mum and older females in family were great emotional support to me as a child explaining her cruelty as adoption but now they have died I feel isolated with it as increasingly I am ghosted out of family gatherings because she claims I hate her husband and persuaded him I do. To point we have good connection if she is not around but he grey rocks me if she is.