May I state that I have always wished my right hon. Friend well, and my question is in this light. I have deep misgivings, on reading much of this document overnight, about the way that we will be treated with the backstop. When we read this, we realise that we are locking ourselves in to an arrangement from which we seem unable, therefore, to have the sovereign right to withdraw. That seems to me to be the biggest single issue here, which strips away the thing that we said when we wanted a vote to leave, which was that we took back control. I say to my right hon. Friend that my concern is that we have the sovereign right when we want to leave the UN; we have the sovereign right when we want to leave NATO; we have even the sovereign right when we want to leave the EU; but we do not have the sovereign right to leave this arrangement.