This question involves many different types of novels and storylines, so the specific reasons may vary from novel to novel. However, here are some possible reasons why the protagonist's personality is always so annoying: Challenging: The protagonist of the novel usually has some challenging tasks or goals to overcome various obstacles and difficulties, which may make the protagonist feel anxious, nervous and uneasy. 2. Flaws or weaknesses: The protagonist may have some flaws or weaknesses such as selfishness, timidity, impulsiveness, etc., which may cause them to feel embarrassed or have a headache in certain situations. 3. Sense of humor: Sometimes, the character of the protagonist in the novel will appear to be a pain in the ass because of the needs of the plot. This is also a form of humor. Intentional exaggeration: Some novelists may deliberately exaggerate the protagonist's character and behavior to achieve humor and eye-catching effects. Character Creation: The main character of the novel may be to shape the character's personality and characteristics so that the reader can better understand and pay attention to the character. There were many reasons why the protagonist's personality was always so annoying, including the storyline, character creation, challenge, sense of humor, and so on.