Cash is the life blood of a start up. And so that internal audience, you are going to want to have a financial model. You can see what you're spending, what you're bringing in and what you'r basically most starts are losing money. It's super per important to know exactly how many months of cash you have. I say to my team, give me three numbers, one or burn based on this month and this cash. O k, so last month we burned fifty. We have five hundred in the bank. Fifty to five. O, five hundred, ten months runwa. Then i say, give me the last three months average. So we hada....