Nobita's Son Ran Away From Home

Nobita’s father scolds him for for constantly lazing about instead of studying. Just as Nobita decides to run away, he meets his son from the future, Nobisuke. Nobita asked his son, why he come into his room all of a sudden, then he replied "I ran away from home". which shocked both Nobita and Doraemon. Then, he starts criticising his father such as "Annoying, Nagging, and old-fashioned", and Nobisuke said the exact same thing as what Nobita's father said, when he scolded him for being lazy. Then, Nobita exclaims to Doraemon that he won't grow up as an annoying parent