It might take him awhile to figure it out. But until then Gabriel will just invent new ways of finding him as needed. Maybe turn it into a game.

"I think it's time to go back to doing something that will make the boys have the reaction of cursing my name if they ever manage to find the relevant newspaper article." In other words, slipping into his Trickster persona for a bit. Just because they know who he really is and he's inclined to give them a hand every now and then, doesn't mean he's going to stop.