Stand up for your food preferences

Okay, I know I've been harping on food preferences, poisonous broccoli, and even vegetable-based aliens in recent weeks, but here's one more thought on food.  This is actually something I wrote a while ago, updated for the current discussion. 

My wife and I asked a couple over for dinner.  The couple had recently begun the South Beach diet, and worried about what we might be serving them for dinner, the husband sent me an email regarding his dietary restrictions.

When his wife saw the...