english: Well by measuring oxytocin we found that the more money the second person received, the more their brain produced oxytocin, and the more oxytocin on board, the more money they returned.
non_english: Door de oxytocine te meten, ontdekten we dat hoe meer geld de tweede persoon kreeg, hoe meer oxytocine hun brein produceerde. Hoe meer oxytocine aan boord, hoe meer geld ze teruggaven.