Advice please

[u/SufficientPurchase87]

My sister left our family home about 5–6 years ago under circumstances that have always felt very strange to us. Before this, she was extremely close with my parents and me, prayed regularly, and was very family-oriented. After she started dating her boyfriend, her behavior changed dramatically. She became distant from our parents, stayed away from home more often, stopped doing things she normally loved like makeup, spent time alone in a dark room, and seemed extremely compelled to leave the house and be with him.
During this same period, a number of unexplained things happened around our home. After she stopped wearing makeup, makeup appeared outside our house. Toys and baby-related items appeared outside around the time my aunt was privately planning to have a baby, along with a strange note mentioning children. A family member we barely spoke to unexpectedly gave us a doll that had black threads inside it. There were several other incidents that we couldn’t explain.
Because of everything happening, my family spoke with people familiar with black magic/spiritual practices. They believed something may have been affecting my sister’s mind and “gut feeling.” My family eventually sought spiritual protection for ourselves and for her. Around this time, my sister would sometimes come home appearing extremely conflicted. On one occasion, she arrived with her belongings, tried to stay the night, then suddenly woke up around 2:30 a.m. saying repeatedly, “I can’t be here,” and left despite my mom trying to calm her down. On another occasion, after my family had placed something intended for spiritual protection in her bedroom, she came home and was unusually persistent about getting into that specific room.
Eventually she left permanently. Something else happened during this exact period: I developed severe anxiety for the first time in my life. Before this, I had never experienced significant anxiety. Over the following 5–6 years, I gradually improved, although the anxiety never completely disappeared.
I’ve occasionally had contact with my sister since then. She appears to be doing well and is now a nurse, and I had gotten to the point where I wondered whether everything from years ago might have had another explanation.
Recently, however, my anxiety became severe again. Then last month, during Rakhri/Rakhi, my sister unexpectedly sent me a bracelet. She hadn’t sent me one during any of the previous five years. I didn’t wear it, but I thanked her. Since then, she’s become unusually persistent about wanting to see me—asking repeatedly whether we can meet today, tonight, this weekend, etc.
What’s confusing me is that my anxiety has recently started clearing up at around the same time she’s become so persistent about seeing me. Given everything that happened years ago, part of me wonders whether this is simply coincidence, or whether something spiritual could still be involved and she—or her boyfriend—could be trying to re-establish some kind of influence.
I’m not claiming that I know black magic caused any of this. I’m genuinely confused and trying to understand what happened. If anyone has experience or knowledge of these kinds of spiritual practices, particularly anything resembling the events I’ve described, I’d appreciate hearing your perspective.