Three quarters of people in the UK say they feel happy with life, suggests a report. But how much do you know about happiness?
The secret of happiness is not wealth, according to the 1,100 people surveyed by Virgin Money Life Insurance. A third said health and happiness of the family was the most important contributing factor to their own well-being.
Not everyone agrees on what makes them happy, but there are some definitive areas.
Test your knowledge of all things happy in our quiz, and send us memories of your happiest day using the form at the bottom of the page.