How Do You Know When You're at That Lever?

It could take three to six months to really build a good so arobic system. And if you're not very erobically fit, you can't do much physical work without inducing stress. During that period, yoyou get faster and faster at the same sub max heart right? Three, four, five, six months later, is now an easy run. And people, people, people love it. Yes, i can. Actually, i followed a lot of your advice when i was training for an iron man in the early nineties.