Though the missionariesintroducedleadtypeprintingandbronzeblock printing in latin, the introductiondid notmakesubstantiveimpactonChineseprinting industry.
You see, any of the traits identified in the 98 other answers absent character and integrity will eventually lead to some type of disconnect or debacle.
It is a well known factor that chronic stress can lead to RRBI type behaviors, not only in humans but in other animals, like rats, with the only other requirements currently required for a diagnosis potentially as limited as deficit in ability for back and forth conversation and developing and maintaining peer appropriate friendships.