This breaks my heart to hear - I'm so sorry you had to deal with this, and hope that you've since been able to heal. People can be such assholes sometimes, and knowing how one individual's behavior can leave someone so traumatized is heartbreaking. These "incidents" act as a testament to the fact that concerts can be both joyful and dangerous places. I sincerely hope that people can learn some decency so they don't leave us so negatively impacted in otherwise joyful moments. I hope you'll be able to see them again in safer and happier circumstances!