9. Basically, what did the watcher say, and what questions are raised?

⁹ Nebuchadnezzar must have been completely mystified as he heard the watcher’s further words: “Let its heart be changed from that of mankind, and let the heart of a beast be given to it, and let seven times pass over it.

The rootstock of a tree does not have a human heart beating inside it. For that matter, how can the heart of a beast be given to a tree’s rootstock? What are the “seven times”?