Is world cup a fever or allergy?

World foot ball tournament is a fever in every corner of the world recently. Betting for the unknown result of a team is warming up. The competition continues until there is only the winner left. Is it allergy or fever? Why is it drawing crowd to see the tournment? Is it a feeling of pleasure or satisfaction that you get or people who are connected with you have done well? Success in sport is a source of national pride.