I wasn't bullied at school but I was bullied in my family. My dad is still a terrible bully now but he would never admit it. I was the youngest of 3 and I never thrived within my family. They were, and are still, much more dominant than me, though we have better relationships now and I have tight boundaries.
My biggest regret really is what happened to me in terms of friendships. I had a horrible time as a teenager and young adult but I had friends. Somewhere along the line and because of my mental health and drinking, I stopped feeling comfortable with anyone, would panic at the thought of having to see friends and just became completely disconnected from the normality and comfort of any kind of social interaction. It has been painful but has got better over the years and with therapy.
PL - I feel your pain and that get that feeling of not being able to manage those 'normal' social interactions. The great thing is that you can be who you are here. We all can.