When and how do you drink it Pure?

It’s mainly drunk as an aperitif; keep in mind that the word comes from the Greek meaning to whet (literally, open up) the appetite, so a glass of it, over ice, works before lunch or dinner. The name comes from the French pronunciation of the German word for wormwood, famously used in a number of alcoholic beverages and medicines up to the late 19th century, including absinthe. But the Germans didn’t invent it; it seems the Chinese were already doing something similar tho

Source: Vermouth: 10 things I learned in Barcelona – Ellen’s Wine World