When I first began quilting, I went to a workshop at my local quilt shop that was being conducted by a Janome consultant. When I said I was working on my first quilt and it was a queen size, she laughed and then told the entire group that was something a beginner should never do: begin with a gigantic quilt. I was mortified. That quilt turned out just fine and I've made queen and king sized quilts over and over again since that day without having any problems. I didn't like her at all, and if she hadn't embarrassed and ticked me off, I probably wouldn't have continued quilting. She just made me that much more determined to do it and do it well.
