When having dinner with a vegetarian, it’s best to assume that this guest is not quietly hoping the discussion will swing over to food philosophies. Still, people rarely hesitate before asking vegetarians why they don’t eat meat, as if the answer couldn’t possibly transform lively dinner table discussion into a sad symphony of fork-scrapes. They also seem shocked when we haven’t left even one kind of meat option as a loophole. “Not even fish?” they might ask, bewildered. Disbelief then leads directly into maternal concern over whether we’re getting enough protein, the entire table inexplicably morphing into one hydra-headed grandma.