Foods that nourish the blood should also be a high priority for Melancholics, who are prone to aesthenia and anemia. We must not neglect vegetarian blood builders like spinach, nettles, green leafy vegetables and dark red and blue berries. Because meat is particularly strong and efficient for building the blood, Melancholics usually have the hardest time being pure vegetarians of any of the Four Temperaments, and need a little meat, at least one to three times a week.