Politeness is a norm of social behavior that is expressed directly or indirectly by gestures or usage of common or personal expressions, either orally or in writing, showing endearment, respect, veneration; appreciation, esteem; awe; flattery; sycophancy or affection. Politeness may also indicate reservation or dissatisfaction in a way which does not bluntly offend or irritate another person (Brown and Levinson 1987). Thus, direct expression of politeness is the use of the words ‘thank you’ to i…