[Oh. Soundproofing.]

That sounds...or doesn't sound...fascinating. By all means, liebchen, silence our rooms.

[He pulls into the parking lot, helps her out with studied indifference, then takes two suitcases from the back seat. He establishes his indifference by simply handing her one, and carrying the other, rather than carrying both. He checks them in very tersely, then wanders away with barely a grunt to Ilsa as he heads for the bar.]