The fortune teller says my father will have a grandson next year _ What does the fortune teller mean when he says my father will have a grandson next year?

cannot

Fortune telling is to judge what you are thinking according to chatting with you, which belongs to psychological suggestion, so don't believe in fortune telling, but believe in science.

"Fortune-telling (commonly known as folk)" generally refers to "eight-character fortune-telling (commonly known as folk)", also known as four pillars. The eight-character numerology began in the Tang Dynasty, with Nianzhu as the main body and Nian Ming as the life, supplemented by phonetic notation. In the Tang Dynasty, Li changed it to year-based and used four pillars: year, month, day and hour. In the Five Dynasties, Xu Ziping changed to Japanese occupation as my (Japanese master), focusing on the restraint of the five elements between the four pillars and the encounter between punishment and punishment, and carried it forward.