How to Succeed in a 70.3

I changed sizes about maybe a year ago and stopped having a lot of the blisters I was having. Do you, you don't have to like go up a half size or anything? Cause like your feet swell. That's, I feel like I've heard people say that. Some people have to do that. Um, um, I just do that for every day now. Yeah. And then last question here, and this is something I'm always curious about in races for people at what mile did the suffering start? It depends on what kind of suffering.