671. We like to listen music's that match our emotional states because the music provides emotional validation and are therapeutic.

672. Chocolate discharges the chemical Oxytocin which is the same chemical your body produces when you are happy.

673. Happiness, rage, sorrow, anxiety, disgust, and surprise are the six feelings that are uniformly conveyed.

674. People seem to be happy when they're kept busy, as this keeps them from worrying about bad problems in life.

675. Narcissistic Personality Disorder exists in around 6% of the population.

676. Music causes the body to release endorphin to counteract pain.

677. Music can help migraine and chronic headache suffers reduce the intensity, frequency and duration of the headaches.

678. Everyone has 3 lives: public, private and secret.

679. Listening to high-frequency music makes you feel relaxed and happy.

680. Unhappy people watch more TV.