optiķ!
The mystery behind Agatha Christie’s enduring popularity may have been solved by three leading universities collaborating on a study of more than 80 of her crime novels.(...)neuro-linguists at the universities of London, Birmingham and Warwick shows that she peppered her prose with phrases that act as a trigger to raise levels of serotonin and endorphins, the chemical messengers in the brain that induce pleasure and satisfaction.
http://www.timesonline.co.uk/article/0,,2087-1938204,00.html
lūk, pasakiet - a vai tad tas ir kaut kā slikti?!