DEAR MISS MANNERS: Three years ago, I adopted a vegan lifestyle; my husband did not, but we’ve found a way to peacefully coexist. His family knows of the changes in my diet, yet they persist in sending us food gifts I cannot consume. I’ve made sure my husband thanks them for these gifts, but I have remained mute about them. I’m a prodigious thank-you note writer, even when I receive something I cannot use or don’t like. Should I be thanking the in-laws for the food I can’t eat? If so, what should I say? GENTLE READER: Whether their motive is to taunt you, or merely to give your husband a treat…
