For nibbles even the smallest things are a big deal. He even stresses out on why he stresses out so much.His behaviour felt too abnormal to the FuzzyWorld fuzzballs, so they've dropped Nibbles at FutileSoil (a land where all the abnormal fuzzballs are sent to).  The uncertainty of a new environment is too much for Nibbles to handle. We're all Nibbles in some way. We're made to feel worthless by others, and if you got a heart like Nibbles.. doubts will flood your soul.

...to be continued