No, I wish to. There are no duties that are so urgent that they cannot wait. You are most definitely not on duty today! [Technically he isn't on duty himself but merely habit that would have him do another round of the camp's perimeter or to help out with other duties. It is not as if he doesn't trust his fellow marchwardens that are on duty to do their best to see to their safety or to the cleanup.] And you are more than ready for rest at this moment.