I was going through the front door, intent on doing something, and my way was blocked... By MYSELF. Another me, wearing different clothes, including a shirt with a pocket in it, and pens in the pocket.
The other me had a serious, busy look on his face. He saw me, and was surprised for a second, then said:
"Oh, I know why you’re here. You’re going to manually control the filtering, to get a better neural packing order."
Then he stood aside, so I could enter the house. After that I never saw him...