





All blood leaves down, and on brain activity there are no forces.
Hormonal changes lead to development of genitals, mammary glands increase.
All organism prepares for conception.
To study in such condition it is very heavy.
Having got used to be the best, it is better than boys, girls start to worry because boys began to overtake obviously them on many disciplines.
To compete there is everything heavier, stir hormones and a developing female organism.
Girls obviously lose in study.
Teachers, watching progress in a class, start to demand from girls of former successes, humiliate, offend and even offend them.
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