When Vash comes back he'll find Azwel has woken up and eaten and is oddly happy. He'll open the door to find him stretched out on his back on the sofa, idly tossing a ball of wadded-up paper in the air and catching it. He stops and tilts his head backward until he sees an upside-down Vash and grins.
Spotted! Oh noes!
"Hullo again! Where did you go?"