#空投防骗手册 Old Zhang always hides the candy given by his grandson in a metal box, saying he wants to 'save it for later'. The grandson, curious, sneaks a peek and finds the box filled with melted candy pieces— it turns out Grandpa has lost all his teeth and can only save them for when he comes, peeling them one by one to feed him. That day, Old Zhang trembled as he took out the last piece of candy, and the grandson suddenly snatched the candy wrapper, mimicking Grandpa's old way, saying: 'Good, open your mouth.'