In today's Miss Manners column, advice columnist Judith Martin responds to someone who doesn't want to pay more than their share of the bill when dining with friends.

Dear Miss Manners: At a dinner party at our home, my husband left the table momentarily, and a guest picked up his mug of coffee to look at the novelty message on it. When my husband returned, he was angry, stating that it is bad manners to touch someone else’s cup.

Your friends may be gainfully employed, but they are not what Miss Manners would call adults. Anyone who thinks they can get away with such behavior and still have friends has much maturing to do. The immediate solution,