I just watched Shugo Chara! ep20 while eating Cadbury Creme Eggs. Besides the amusement inherent in such a situation, it made me wonder if the heart's eggs are edible. I mean, they pass through the chest into the heart when re-entering people yet other times they interact with their surroundings as if they were normal, solid objects. So would it be physically possible to eat them?

If so, I think Amu is going about cleaning up the X eggs in entirely the wrong way.