So you... eat metal. [Doesn't exactly sound healthy, does it? He's pretty sure that's the kind of thing that points to some serious mineral deficiencies. But: different planet (different dimension?) means different rules.]

To be fair, there's a lot of weird here that seems pretty exclusive to the person bringing it in. Just means you're... extra special. Though I guess if you need special material, you might be up a creek. War's on - makes the luxuries a little thin.

[He's light enough with it - likely means it as a little joke more than anything - but whether that matters or not... Well. He's not freshly pulled and suffering the effects of too much wine, so it might come off as a touch cruel.]