Five per cent of your investments are going to drive ninety nine per cent of the, you would say, ninety per 9 per cent of the returns. If we can hit that ten per cent number, i think we will be very good at what we do. A great series a, b, c is not indicative of the company fully working. There's a lot of risk left on the company's in an execution risk. And those are the actual lessons to me as don't count sort of winds until the story's and i think for founders it's the same way.