1/5 ☝️ Evolutionary anthropologist here. Few things are "universal" about marriage, and the social enforcement of monogamy ain't one of them 🤯 See e.g. the distribution of marriage systems across the ethnographic record 👇 2/5 The data relate to the 186 societies in the Standard Cross-Cultural Sample, a key resource in anthropology. It's a set of societies that are well documented ethnographically, effectively a "snapshot" of variation in social and cultural practices 🌎🌍🌏 en.wikipedia.org/wiki/Standard_…