The Tiger Won't Eat the Dragon Yet

In the mountains somewhere, a tiger catches its prey: a lone dragon, the kind that is hardly ever seen. Eating the dragon's meat extracts the ultimate flavor, drinking its blood heals all injuries, and devouring its heart grants immortality...And yet, upon seeing the dragon's undeveloped stature, the tiger refuses to eat it. Dragon and tiger, predator and prey—is what ties them together simply natural hunting instincts or something more...?