So, when preparing for today’s presentation on runes, I had in my head that 9 people were marked as coming on the event page. So, I made the materials for nine people. I realized later that I had remembered wrong and it was eight people. So, in my head I say “that’s OK, someone extra will come”. Later I see a message asking about the time of the presentation. I answered the question and thought nothing of it. Later, I look to see one more person decided to attend.