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wsary↓「70歳以上の人99%は赤ちゃんを見ると反射的にあやすが」…素朴な疑問ですが、70歳以上の人口に「赤ちゃんを見せて反射的にあやすかどうか」調査のようなものが、全国規模で行われたのでしょうか。about 12 hours agovia EchofonRetweeted by ynabe39 and 50 others
