Setting this option to On means Siri is ready to accept commands when you raise your phone to your ear. You can always invoke Siri by pressing and holding your iPhone's Home button. Tap the Home button to exit Settings.
Effective listening is a way of showing concern for subordinates, and that fosters cohesive bonds, commitment, and trust. Effective listening tends to reduce the frequency of interpersonal conflict and increases the likelihood that when conflicts emerge they will be resolved with a win-win solution.
After 1 to 2 years of not smoking, you'll be much less likely to get heart disease. Of course, kicking the habit also makes you less likely to get lung cancer and many other types of cancer, emphysema, and many other serious conditions. The bottom line: Odds are you'll live longer, and you'll feel better.