Post-match interviews in sports, particularly during a victory, are always telling and indicative of how a player approaches their craft.
If they're conscious and alert, it means that they're more likely to play a more tactical and strategic game whereas if they're exhausted and sweating, there's obviously more physicality in their game. However, language is always the barrier and it's the same in any sport - even pool.
Naoyuki Oi is a professional pool player from Japan, and while he may have focused most of his skills on being one of the world's best pool players, he didn't leave much room for English - which is, to be honest, completely understandable. He's not trying to be the best English speaker in the world, he's trying to be the best pool player in the world.
Nevertheless, enthusiasm shines through in any language. Take a look.