You Xi Wang disconnected the call with his master and ate the food with Celestia. He did not show it on his face. Although he had no discomfort physically. He was mentally shocked by what he had learned. This was but obvious, how could one digest the fact that he had just talked and dined (sort of) with a god? Moreover the god of Destruction. What's even more, The god of destruction was going through a hard phase in his love life. The love interest talks like she hasn't seen him in a long time and this goes on and on.
Given the traits described by Alester Book, that guy could have screwed the whole planet thousand times over without letting anyone feel any pain. His brain was turning quickly and the system noticed this. It spoke, [Relax, let's go home after the meal. I will tell you what you need to know. Also, try not to wet yourself or Celestia might find out that you are nothing but a clay tiger.]