 That's quite mind-blowing. And that happens every single month. Every single month. So literally is pretty much potluck for a woman in the sense of like when the dates are announced for this is when your race is going to be. And if it's say in somewhere like Paris in the heat waves, you know, already there's going to be a bit of a disadvantage there if it falls on the wrong side of the cycle for you based upon your core temperature. Potentially, yes.