Sounds familiar?

At first I thought it was just me, or rather my Mum, but then I found out that my friends, like the Mermaid, for example, experienced the same.

The scenario: a house somewhere in the provinces of Austria. The protagonists: a mother (M) and a daughter (D). The day: Sunday.

M: There's XY in the fridge/garden/larder. Don't you want to take some to Vienna?

D: No, thanks.

M: But you'll have to buy it in Vienna.

D: Well, I don't actually need XY, so I won't have to buy it. Thanks, though.

M: It's really good for making Z with, you know...

D: I believe you, but then I hardly ever make Z.

M: It also keeps well in the freezer.

D: I still don't need it.

M: I've packed you three, if that's ok.

D: ...