The Flood Mythology Isn't Present to Humanity, It's Present in Income Mythologies

The narrative of a great flood punishing humanity for its excesses and its sins is universally human across cultures as if it's part of our collective unconscious. It makes me wonder about the cyclical nature of time, again this is me talking out of my absolute whole but if we don't accept time as being completely linear, which physics will say that it's not linear, time is just something we don't fully understand. Do we just simply know that this is what's going to happen to us, or are we enacting some strange self fulfilling prophecy? I'm currently incredibly tempted to do a master's degree in Irish mythology, very very tempted, there's one in UCC that's two