If we are going to be silly for the week-end : Dr told the Capt there were many sick people on board and asked how soon it would be before they could land. Capt replied that it was difficult to say. Dr, zoning in , asked " Well, can you take a guess ?" Capt replied " Well, maybe not for another 45 -55 minutes". Dr, in shock : " You can't take a guess for another 45-55 minutes ? " !