I have always been told I am over-sensitive. I believed it comes from the psychic/empathy part of bipolar. But perhaps it was BPD all along. I blamed BP for everything for 35 years until 2 years ago and they added BPD onto it.

I get weirdly obsessed about interactions too. Example: Walking in Walmart one day and see a lady, "OMG, I am so glad I ran into you! The last time I saw you was 2 years ago by the grocery side door, and I said I was angry at getting fired. I meant, angry at myself - not at them for firing me. I have wanted to run into you to clarify that ever since!"

2 years. And that was over something small.

<3 You are not alone.