gotcha, now we know what's in store.
What about for people who say, "Oh I just couldn't live without cheese" (or pizza or ice cream or bread, whatever?
Exclaim in amazement "HOLY S***! You would DIE without cheese?!? Are you sure? How do you know?".
Or explain how casein converts into casomorphin, an opiod peptide, and that they are addicted to a drug similar to heroin.
Highlight their addiction in order to make them question themselves, "Oh, similar to how a heroin addict just couldn't live without heroin?"