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.
1 Extroverts are not easily influenced by outside factors, while introverts are hypersensitive. 2  Ambiverts offer a good balance between the two and are referred to as the stability normal by famed psychologist Hans Eysenck, who coined the term ambivert in 1947. 3  Ambiverts are intuitive.