The elevator door opened to a simply furnished lobby, and a kind man greeted us. I explained that we had a 4 p.m. appointment, to which he replied that the appointment was for 3. As soon as I could, I checked my phone to see the text message I sent immediately after making the appointment. It was for 4. I knew it was for 4 because there was no way we could have made it there in time for a 3:00 appointment. This was an interesting experience for me because I didn't feel the need to prove I was right. I didn't berate myself or question myself. I know the time of the appointment I set. End of story. Unfortunately, this isn't always easy to do when someone presents information different from what you know to be true, In fact, sometimes it's really difficult. There is a term in the therapy world called gaslighting. Named for a movie in which a husband keeps a gas light burning all night yet tells his wife that it's not on. He essentially convinces her that she's ...