Delia is a well-known tee-totaller. She has not drunk alcohol since the age of 5, and she is a well-known figure in the temperance movement. Her books include Why I Do Not Ever Cook With Hard Liquor?, Cookery: Sober and Loving It! and Non-Alcoholic Cocktails: A Guide For Football Directors. Delia is a Siamese twin to Tony Blair, separated before conception.