Prescription Base for Interval Training

We get so focused on the individual interval session that we forget the forest here. Let's say you train five times a week on average, tat week and week out. And let's say you do an 80 20 model, where you say, up 20 % of my sessions are going to be seriously hard. All right, then that's around 50 hit sessions each year. So i always get back to this issue as is, i want to create a signal. I've got to live with some stress. Yes, we're going to stress the system big time, but we don't need tostress the system more than necessary,. Then it becomes unsustainable. This is about the big philosophy