Martin: Hey, you want some of this fancy dessert? It must be really good because Frasier told me not to touch it.
Niles: No. No, thanks, I brought some of these tasty rye flats in case I feel peckish.
Martin: They look like wood. I thought your doctor cleared you to eat normal foods.
Niles: Well, uh, he did, but I feel my tastes have gotten simpler since I cheated death. [grimacing as he chews the dry, cardboard-like food] It's hard to explain.