Five events, five gold medals. At the 2026 European Swimming Championships in Paris, Chiara Pellacani completed a perfect European diving championship, surpassing Tania Cagnotto's all-time Italian record of three gold medals. She won two titles alone, and the other three in pairs—with three different partners in the same week. The science of interpersonal synchrony explains why building multiple "dual minds" in just a few days is a psychological challenge in itself, distinct from individual performance.