Well, finally, an explanation of why I can't remember things. An explanation that doesn't blame me. My daughter had this on Twitter.
Check out what Reader's Digest has to say about Doors.
Ever walk into a room with some purpose in mind, only to completely forget what that purpose was? Turns out, doors themselves are to blame for these strange memory lapses. Psychologists at the University of Notre Dame have discovered that passing through a doorway triggers what's known as an event boundary in the mind, separating one set of thoughts and memories from the next. Your brain files away the thoughts you had in the previous room and prepares a blank slate for the new locale.
So all we have to do is:
Stay in one room
Remove all the doorways in our house.
Or realize if the doorway didn't make us forget something else would have.