TweetOur bodies get used to training pretty quickly, which is why we need to mix it up. The more we mix it up, the more we continue to get a response as our body is always having to improve. I think we all tend to find something that works, and stick with it. I mean, why not? If what I'm doing is working, why change it, right? Well, for the reason you experienced today. I bet after these 8 weeks your body is going to repay you with some well earned results just for putting it through something totally different.