Are You a Buddha?

The ending of things is also the beginning of something new. Each end allows for the arising of something else. The Buddha was approached by a man who said, as they usually ask, are you a Buddha? Are you a blessed one, a wise one, an enlightened one? The Buddha nodded. He said, when you do not cling to anything as I, as me, as mine, then you will not be seen by the king of death. What does this mean?