When i'm talking about living by the 90 % rule, one of those 90 % questions is, is it essential? Right? It's an inherently constraint based question. And so if you're going for to x, you don't need to change much, maybe just 20 % of what you're doing. You can keep 80%, because you're not really changing that much. But if you'regoing for ten x, you can only keep the best 20%. and 80 % of its can have to go. Those could be like litera thos. Could be the clients you're working with. The activities you're doing right now in your work. Only a very few amount of things