"B? Hey! What are you doing in Johto? Last time I heard from you, you were still in Unova."

And he's smiling brightly and crouching just enough to pet Stoutland and scratch behind his ears. He does notice she still looks exactly the same as when he left Unova, but it's only been 3 years, so maybe that is not such a big surprise as it could have been. A year in each region, searching for N. Sinnoh. Then Hoenn. Now Johto.

"Hi there, Stoutland."