Axe - it is the tool that the puppet "heart demon" (executioner) cuts off everyone's limbs. Fathers in fairy tales and in reality regard "sacrifice" - forced giving - as a prerequisite for a happy family, happiness, and even wealth (fairy tale plot). Apparently, the father also forced the family to "sacrifice" with him in this way. In addition to understanding and deducing a set of eccentricities based on this concept, the little girl also regards the axe as a symbol of "sacrifice", and she also needs this symbol to remind herself from time to time.
After the girl becomes an adult, this "obsession" looks weird after all, so she always pretends to "lie". After buying the axe, she specially decorated the axe as "7" and hung it in the classroom, which is probably the reason. This classroom was where she first fell in love with numbers, and "Axe 7" was actually a teaching aid to herself. Afterwards, she accidentally hurt her own leg, which is probably the projection of a childhood fairy tale. However, it is also from this that the girl stepped out of the vicious circle of "sacrifice concept".
I think this concept of "sacrifice" in the United States naturally has a religious background, but we are not unfamiliar with it at all! From childhood to adulthood, he was educated by the "sacrifice concept". Forced effort is a prerequisite for the achievement of goals ranging from individuals to nations. The reason why the film touches me at the end is not the happy ending, but the answer: the "sacrifice" that you are forced to make by hurting yourself is a kind of paranoia (playing the role of a father at the national level, with "sacrifice") The only way to pursue happiness and perfection is to actively pursue what you really desire, to create, and to realize that the sum of the parts (individual values) is greater than the whole, not the other way around!
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