Why Doesn’t Ancient Fiction Talk About Feelings?

Perhaps people living in medieval societies were less preoccupied with the intricacies of other minds, simply because they didn’t have to be. When people’s choices were constrained and their actions could be predicted based on their social roles, there was less reason to be attuned to the mental states of others (or one’s own, for that matter). The emergence of mind-focused literature may reflect the growing relevance of such attunement, as societies increasingly shed the rigid rules and roles that had imposed order on social interactions.

From Why You Should Read Fiction