The Mediterranean diet involves a set of skills, knowledge, rituals, symbols and traditions concerning crops, harvesting, fishing, animal husbandry, conservation, processing, cooking, and particularly the sharing and consumption of food. Eating together is the foundation of the cultural identity and continuity of communities throughout the Mediterranean basin. (UNESCO)
Use only vegetable fat, especially olive oil. Obviously in moderation.
Harvard food pyramid
Eating with people you like is part of the Mediterranean diet