China barely tolerates North Korea as it is and would certainly not approve (and possibly would not tolerate) any actual aggression from North to South. If you

China barely tolerates North Korea as it is and would certainly not approve (and possibly would not tolerate) any actual aggression from North to South. If you perceive the respect (NK has) for current status quo is at a low then it is most likely that NK desperately needs food or fuel for the coming winter, for every other player in the world/region the desire for the status quo is at an all time high.