The over-limit effect refers to the psychological phenomenon of extreme impatience or rebellion caused when people receive too many stimuli, are too strong, or the action time is too long. According to the above definitions,. ['Kobayashi, because his mother is often nagging, he decided to look for work outside the school after graduation.', "Teacher Wang couldn't concentrate during class because his son died unexpectedly.", 'Xiao Fang has been criticized by teachers for her poor academic performance, and she later gave up her studies.', 'Xiaohua worked overtime for a week in a row and felt very tired.']