Li's horse had to be fed once at the third watch of the night, so before he went to sleep, he didn't dare to fall asleep deeply.,A man who resembled him, an old man with chicken skin and hair like a crane's feathers, appeared again.,Blessed with the fate of "great accomplishment late in life," as long as he persistently cultivates his health-preserving exercises, these exercises will surely bear fruit in his old age.。