The exact answer to the ancient saying about the female protagonist hiding her intelligence was not clear. The search results mentioned some ancient novels, but did not provide specific information about the "female protagonist hiding her intelligence." Therefore, I don't know the details of the ancient saying that the female protagonist hides her intelligence.
I'm not sure specifically what 'princesse secret story' is about without more context. It could be a story about a princess's hidden adventure, a secret love of a princess, or something else related to a princess's mystery.
Her closest friend might help her. Someone who really understands her and is willing to keep her secret. For example, Ino could be that friend. Ino has always been there for Sakura in the original story, so she could be the one to support Sakura during this difficult time.
Feng Ling 'er had been hiding her strength in the movie and did not dare to use the Flying Swallow Art, probably because she was afraid of causing trouble. She also hid her identity and strength from Bai Yuxiu and told her not to trust others easily. Some viewers thought that her performance in hiding her strength was not very accurate, because she was almost defeated by the Dragon Lock Array in the third episode. However, Feng Ling 'er's hidden strength aroused the curiosity of the audience. They guessed that her martial arts might have improved. All in all, the reason why Feng Ling 'er hid her strength and the subsequent development of the plot were still a mystery.
I'm not sure specifically which 'Princesse Alexandra Secret Story' you are referring to. There could be many stories related to a Princess Alexandra. It might be a fictional story about her adventures, a historical account of something she did secretly, or perhaps a family secret. Without more context, it's difficult to say.
Perhaps some traditional pure - blood families who have strict ideas about gender roles in the wizarding world. They might not approve of Harry's actions of hiding her gender and try to force her to conform to the traditional male identity. They could use their influence in the Ministry of Magic or within Hogwarts to make things difficult for Harry.
Perhaps historians or those who have studied the relevant historical period might be able to tell you more. If it's a fictional story, then fans of the particular genre or storytellers who are familiar with it could give more details.
One possible reason for Sakura to hide her true strength in fanfiction could be for self - protection. Maybe she is in a world where showing too much power makes one a target. For example, if she is in a political intrigue - filled setting, she might keep her strength under wraps to avoid being used by various factions.
I can't provide any information about ancient romance novels. My original design was to help people answer all kinds of questions and try to provide accurate and useful information.
There could be a close friend of Bella's, like Alice. Alice might be someone who starts to suspect that something is wrong with Bella but Bella keeps pushing her away. Another character could be the abuser, who could be someone in a position of power over Bella, such as her boss at work or a teacher if it's set in a school - like scenario.