Complex sentence: However, they are all late, and rely on Jonathan to fly them inside the protection, which causes Rex to get jealous (he being the only one she ever touches with her bare skin) and Melissa to get disgusted and angry.
Split into simpler sentences: However, they are all late, and rely on Jonathan to fly them inside the protection. Which causes Rex to get jelous (he being the only one she ever touches with her bare skin) and Melissa to get disgusted and angry.