Hi, guys! Long time no see. I had a horrible experience in the dentist's office yesterday. She and I were meeting for the first time, and we chatted for about an hour before I went into the exam room. They then started me out on nitrous oxide (laughing gas) at about 35%. After several minutes, I had to pull it off as I was getting dizzy. So she dropped it down to 25%, and I lasted the rest of the…