tumblr via “lovecake: “人は何故キスをするのか? 英リーズ大学コリン・ヘンドリー博士が見つけた答えは、「ばい菌を広げるため」。…” https://t.co/hYblj9Lxtw



from Twitter https://twitter.com/itarunozaki

September 02, 2018 at 10:22AM
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