I think there is something to this, as another comment mentioned the "soap/cilantro gene". I love the smell of old books, as described in TFA, but I know a guy

I think there is something to this, as another comment mentioned the "soap/cilantro gene". I love the smell of old books, as described in TFA, but I know a guy who hates it. He describes it as you do, as the smell of dust. His taste in food is also quite different from mine, as in we actually seem to detect different things when eating the same food.