" That 's why I thought you might be ill . " Sanzo 's frown deepened as he stared at the ground and ran a hand through his hair in distraction . " ... I ' m sorry , " he mumbled , shocking Hakkai and not paying attention at all to what he was saying as he retreated back inside .

Question: Why is Sanzo so disheartened as he speaks ?
Answer: Sanzo feels that Hakkai is being mean .Sanzo feels that Hakkai is angry at him .Sanzo feels that Hakkai is going to get violent .Sanzo feels that Hakkai is unhealthy .