He cycles back through the network on Mello's phone, to the earliest available post.

"Liminal Space -- a place between worlds. But periodically my previous hosts would drop us off for short stays in actual other worlds. To resolve some issue or affect some outcome." And in order to stave off at least one additional question: "It's how I've spent the past year and a half."

If Mello had ever wondered why he'd seemed to so easily believe so many strange things upon his arrival, he has his answer to that. They aren't strange to Near. He's seen them, experienced things like them for some time now.