India cricket captain Virat Kohli has often stated that his aggressive nature helps bring out the best in him. As several bowlers across the world have now found out, on-field confrontation pumps up Kohli like nothing else. The stylish right-hander is always involved in the game, celebrating the team's success with as much enthusiasm as a personal milestone. On Thursday, Kohli notched up his 33rd ODI hundred to power India to a convincing six-wicket win over South Africa in the series opener. His celebration after his high-quality ton, however, had a distinct edge to it. In the post-match presentation, the 29-year-old revealed the reason behind his aggressive celebration.