Hi. I'm in an emotional quandary and don't know what to do now. A few weeks ago, a new colleague started working for me at the company. We both work in the office, although in different departments. Nevertheless, we sometimes have to deal with each other or coordinate on different projects.

We know each other from our school days. Back then we were in the same class together. Some former school friends and I regularly bullied her. We stole her school supplies, told her off to the teachers or once even threw a lemonade in her hair. After this action she had to cry, but she didn't let on. To cut a long story short: We pretty much caught her in the crossfire! I'm not proud of that today. I think I let myself get carried away by my...