Gruit was a combination of herbs, commonly including sweet gale (Myrica gale), mugwort (Artemisia vulgaris), yarrow (Achillea millefolium), ground ivy (Glechoma hederacea), horehound (Marrubium vulgare), and heather (Calluna vulgaris).
Introvert and extravert. Introvert and extravert, basic personality types according to the theories of the 20th-century Swiss psychiatrist Carl Jung.
according to type theories for example introverts and extraverts are two fundamentally different categories of people according to trait theories introversion and extraversion are part of a continuous dimension with many people in the middle 1 clinically effective personality typologies