Complex sentence: Xo is undaunted by this as she knows it doesn't snow in Mexico, the man's date appears and quickly agrees with Xo and begins to tell the tale of a vicious snowman that kidnaps children, tears their hearts out, and eats them.
Split into simpler sentences: Xo is undaunted by this as she knows it doesn't snow in Mexico. The man's date appears and quickly agrees with Xo and begins to tell the tale of a vicious snowman that kidnaps children, tears their hearts out, and eats them.