Definitely the first day I came in to find that the Paralegal I was filling in for, went into labor and was out now for at least six weeks, and I was it! I sat with her for at least a week and a half before that, watching her work, but had only had a few hours of hands-on work for the office. I stayed calm and got to work. I had a little learning curve, but once I figured everything out, I got up to speed.