Problem: A samurai could take concubines but their backgrounds were checked by higher-ranked samurai. In many cases, taking a concubine was akin to a marriage. Kidnapping a concubine, although common in fiction, would have been shameful, if not criminal. If the concubine was a commoner, a messenger was sent with betrothal money or a note for exemption of tax to ask for her parents' acceptance. Even though the woman would not be a legal wife, a situation normally considered a demotion, many wealthy merchants believed that being the concubine of a samurai was superior to being the legal wife of a commoner. When a merchant's daughter married a samurai, her family's money erased the samurai's debts, and the samurai's social status improved the standing of the merchant family. If a samurai's commoner concubine gave birth to a son, the son could inherit his father's social status.
How did the samurai treat concubines?
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Answer: akin to a marriage

Problem: The Gospel of John and particularly the first chapter demonstrates the Divinity of Jesus. This Gospel in itself is the greatest support of Athanasius's stand. The Gospel of John's first chapter began to be said at the end of Mass, we believe as a result of Athanasius, and his life's stand, but quietly. The Last Gospel of The Mass, The Eucharist, St John[1:114], together with the prayer; "Placeat tibi", the Blessing, are all private devotions that have been gradually absorbed by the liturgical service. The beginning of John's Gospel was much used as an object of special devotion throughout the Middle Ages. Nevertheless, the practice of saying it at the altar grew; eventually Pius V made this practice universal for the Roman Rite in his edition of the Missal (1570). It became a firm custom with exceptions in using an other Gospel in use from 1920. So the Missals showed different last Gospel for certain Feast days. A Prayer Card for the St John's Gospel. Also:
What does this Gospel show that Athanasius also didn't believe?
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Answer: unanswerable

Problem: In addition to strictness in character size and shape, Chinese characters are written with very precise rules. The most important rules regard the strokes employed, stroke placement, and stroke order. Just as each region that uses Chinese characters has standardized character forms, each also has standardized stroke orders, with each standard being different. Most characters can be written with just one correct stroke order, though some words also have many valid stroke orders, which may occasionally result in different stroke counts. Some characters are also written with different stroke orders due to character simplification.
What are written with very precise rules?
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Answer:
Chinese characters