Boys are at greater risk than girls of “failure to launch.” They are more likely to become young adults who are “Not in Education, Employment, or Training.” Some Japanese men developed an extreme form of lifelong withdrawal to their bedrooms; they are called hikikomori. In the early 2010s, American teen boys’ thinking patterns shifted from what they had traditionally been (higher rates of externalizing cognitions and behaviors than internalizing) to a pattern more commonly shown by girls (higher rates of internalizing). At the same time, boys also began to shun risk (more so than happened for
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