You eat a very low-carb, high-fat diet. So, that is the keto diet. Short-term weight loss is probably the reason this diet remains so popular. Don't judge! Listen and find out more here! The info are based on https://www.health.harvard.edu/staying-healthy/should-you-try-the-keto-diet and https://www.ncbi.nlm.nih.gov/books/NBK499830/