01. Is drinking coffee the most important thing in your day to maintain your work or life?
02. Does drinking coffee reduce your appetite?
03. Can drinking coffee increase your concentration and activity during the day?
04. Have you ever wanted to quit "drinking coffee" but couldn't?
05. Do you feel bad or nervous if you don't drink coffee?
06. If you don't drink coffee, will your energy be bad during the day?
07. Do you feel that the amount of coffee you drink has increased slowly and gradually?
08. Are your teeth discolored by drinking coffee?
09. Do you feel tired easily if you don't drink coffee?