[ Wolfe actually pulls a small notebook out of his pocket at the question, flipping it open and scowling as he reviews his notes (if Erwin's looking close enough, he can see that the text is in Greek, though whether he's able to read it may be a different story!). ]

No. I've noted location, time of day, ingress/egress, the number of times I opened the door, and any individuals nearby. There's been no pattern that I've found.

[ Which infuriates him; there should be a pattern! ]

I suppose I should take note of electricity currents next; perhaps they're interfering with the location's quintessence.