I noticed that, after a couple weeks of being out of his own Suave 99-cents-a-bottle shampoo, Tim was still using mine in the shower.
Me: So you really like my shampoo, eh?
Tim: Eh, shampoo's shampoo. Whatever.
Me: My shampoo's 25 bucks a bottle.
Tim: *shudder* Next time I go to the store...