He is apparently very particular and passionate about his food preparation, and refuses to eat anyone's cooking but his own. He hates smokers/smoking because "They are the enemy of cuisine!" (he hates that it eventually numbs the taste buds). The candle on his head is almost always seen burning because it somewhat acts as his life spark - if it's blown out, he stops moving and his eyes stop glowing, and when it is re-lit, he continues as if nothing had happened.