 With your training, there's got to be different things that you're like, okay, this is a trigger point. Hey, slow it down. Or how do you balance it out, right? So you look at a marathon. People set like a cadence, right? They have a certain amount of time from that they're going. How do you do that when it's clearly extreme weather and it's cold so that you're balancing how much you're sweating and not?