Based on the context and the answer, generate a question. 

Context: " I thought I 'd make sure you were feeling all right . " Sanzo 's eyes narrowed in a frown . Hakkai 's brow furrowed slightly as he continued , watching Sanzo intently .

Answer:

Sanzo believes that Hakkai is showing signs of having a medical emergency .



Why would Sanzo be worried about Hakkai 's health ?