This progression from heartbeat to chorus also reveals how authenticity spreads. Social psychologists have shown that norms shift when even a small minority consistently models a new behavior; experiments by Serge Moscovici (1969) demonstrated how persistent dissent can reshape group perception. In a similar way, Dickinson’s heartbeat of sincerity acts as a catalyst: one genuine act disrupts the silence of pretense, granting others permission to be honest as well. Gradually, a culture of guardedness gives way to one of openness, simply because someone was first willing to be real. [...]