Nobita is extremely clumsy, clumsy, sometimes quite absent-minded, he even forgot his briefcase at Shizuka's house because he was too absorbed in reading Sherlock Holmes - the book he accidentally picked up by Shizuka.
When he was in first grade, Nobita was a very smart boy, always getting good grades, good at sports, so he was called a child prodigy. However, because he relied too much on intelligence, the more he studied, the lazier he became, eventually being placed at the bottom of the class.
On the other hand, Nobita is also a kind, selfless, compassionate boy. On the day before her wedding, Nobita was ready to sacrifice herself to save a kitten and spend a whole day trying to find the cat's owner. In the 10th volume, he saved Chippo in a stormy night when he just came out of the forbidden forest
Although considered clumsy, but many times, Nobita has become a hero thanks to his bravery, luck and clumsy habits. In fact, Nobita is quite good, but he rarely focuses on studying, even when there is an entire night without sleep. That's why he got into situations where he couldn't cry or laugh when he got a score of 10 that no one would believe