South India and Kerala are hardcore non vegetarian people . 97% of their people Non vegetarian . It is one of few states where cow slaughter is legal as Hindu's their love beef. Per capita alcohol consumption is 8.48 litres as against Punjab's 7.9 litres . Average life expectancy of women their is 80 . Sorry but your mother must had seen some exceptions . Stats don't tell that they are some kind of simple people.