When and where were you happiest?

French writer Marcel Proust popularized 30 soul-examining questions—widely referred to as "The Proust Questionnaire." He believed that, in answering these questions, an individual reveals his or her true nature. Here are 10 that cut right to the core.
What is your greatest achievement?

What qualities of your friends do you most admire?

What would be the one thing you would change about yourself?

What do you dislike the most about your appearance?

If you had one place in which to spend the rest of your life, where would it be?

If you were to die and come back as a person or animal, who or what would you be?

What do you consider the most overrated virtue?

Which words or phrases do you most overuse?

Who or what is the greatest love of your life?