Why do we shush a child who asks loudly, “Why is that lady so big?” Why do adults feel a chill when someone keeps a doll with a cracked porcelain face? Why is it rude to watch a friend’s phone screen, even when nothing private is showing?

Here is a thoughtful article on that subject. We tend to imagine taboos as dark, dramatic, and unmistakably adult—violence, betrayal, or forbidden desire. But some of the most fascinating and quietly powerful taboos involve things that seem, on the surface, utterly innocent. Little habits, gentle words, childish curiosities. These “small taboos” reveal how society polices not just what is dangerous, but what is merely awkward, uncomfortable, or tender.

In the end, the most innocent things become taboo not because they are wrong, but because they touch on the parts of being human that we are most afraid to name. And that fear, perhaps, is the least innocent thing of all.

But why? The object itself hasn’t changed. The taboo is about performance: we must signal that we have outgrown soft dependence. To cling to the innocent object is to threaten the social fiction that adulthood means complete emotional independence. “I’ll show you mine if you show me yours.” Among very young children, this curiosity about bodies is typically innocent—a search for knowledge without sexual intent. Yet it triggers one of the strongest modern taboos: any childhood exploration of nudity must be immediately interrupted and redirected.