Noradrenaline's also released in this. Is that the same family as serotonin? It is, yes. And it can inhibit pain as well. So one of the reasons why when you're on the footy field and you get smashed in the face, you get this huge release of noradrenaline which can inhibit your pain pathway. That would make sense because if you have significant tissue injury, let's say you had a broken leg or something even worse,. Your body has the capabilities of saying, hey, don't feel pain at the moment. Get out of this situation and get to safety.get to a hospital.