Well, this is Smith here. I don't know again how much more that Raj, and Henry, and Alan can say about it. Standing up to six and seven-day network was very expensive for us, and the expense for peak in general, which is always put up front, was a total drag. And we certainly anticipated some of it. But we probably underestimated the cost of standing it up. And then when we went into the peak season, as Raj also said, we had an unbelievable response. We had 37 million packages on Cyber Monday, and our plan was for 33 million. So we have said clearly that we believe by the fourth quarter Grounds margins will be back into the teens. We're not able to show you our spreadsheets, but that's our cost projections. And yes, there's no question, we spent more to put the network up than we thought, but we'd never put up a six or seven-day ground network before to a permanent thing. So there's a little bit of a new ground for us. But no question we missed on the cost side, but it's up and operating, as Raj said. We probably never had a response in the recent past from our ground customers, like we've had. Brie can perhaps add to that on seven-day. And it's an entirely differentiated product, and it's also something that's going to substantially change the ecommerce business. In the last weekend that just finished, we delivered over 14 million packages on Saturday and Sunday. We weren't event delivering packages on the weekend a couple of years ago. So we're pretty confident where we're going. And clearly, we didn't do the greatest job of forecasting our costs and we were hit with a couple of other things, like the insurance reserves which are, looking backward some period of time, that's basically because of the litigious society we live in and the more expense that's required to operate a transportation company in general, which is a huge issue to a small transportation company. So we've answered it three times, and we're pretty confident about the fourth quarter, and we gave you some annual stakes, but I don't know that it's productive to plough this ground anymore.