Love refers to a range of feelings and attitudes from personal affection to pleasure. It can be a warm and deep affection one feels towards another be it a parent, child, sibling, spouse or friend. It also refers to copulation. Love has been the central theme of many a literary works, Romeo and Juliet of Shakespeare being an example. Monuments were created to manifest love – Taj Mahal, one of the Seven Wonders of the World built by Mogul emperor Shah Jahan in memory of his wife Mumtaz.