"I have a different constitution. I have a different brain; I have a different heart; I got tiger blood, man"

This quote by Charlie Sheen is a reference to his self-proclaimed superhuman qualities. He is recommending that he is various from other people, which he has an unique constitution that sets him apart. He claims to have a different brain, heart, and tiger blood, which suggests that he is more powerful and durable than the average person. This quote might be analyzed as a sign of his self-confidence and self-belief, or it might be viewed as an indication of arrogance and narcissism. In any case, it is clear that Charlie Sheen believes he is special and has qualities that make him stand apart from the crowd.