Shiva smiles at Parvati listening to Narada’s intention to gift the fruit of knowledge to whoever revolves around the world 3 times first.  Kartikeya rushes of on his peacock declaring that he would beat his brother and win. However, Vinayaka merely goes around his parents 3 times.  When everyone is astonished that he is not even making a cursory effort to compete with his sibling, Vinayaka proceeds to explain his rationale.