She been happy all the time with him lolYou know, if the snakes are any indicator, the funny thing is that she likely keeps her eyes closed most of the time anyway with a ^_^ expression. So long as Master keeps her happy, he won't be turning to stone.
Watch it be a myth/overexaggeration. Like at worst a temporary paralysis.Imagine if, after all these chapters, she actually doesn't have the power to turn humans into stone...