Mrytle's sister leans over to Nick, "Neither of them can stand the person they're married to." But, she explains, "She's a Catholic and they don't believe in divorce."
Nick narrates, "Daisy was not a Catholic and I was a little shocked at the elaborateness of the lie."
There is no text proving they are right or wrong or a trusted source of information or if they are still publishing. They are called the American vegan society so you can assume they are all about veganism