[Vash takes it stride. It's not the first time that someone he knew had left Luceti and come back. He slaps Senri on his back with a good amount of force, but not trying to hurt the young man.]

Don't worry about it! Luceti has that effect on people. Makes you forget your last visits, but for finding yourself in a strange world you seem to be taking it all in stride at least! What have you got cooking here?