"It is easy to make acquaintances, but very difficult to shake them off, however irksome and unprofitable they are found, after we have once committed ourselves to them."

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Courtesy, like grace and beauty, that which begets liking and inclination to love one another at the first sight, and in the very beginning of our acquaintance and familiarity; and, consequently, that which first opens the door for us to better ourselves by the example of others, if there be anything in the society worth notice

— Michel de Montaigne