Complex sentence: For a brief moment he considers using the final wish to retain his leprechaun status and return to the fairy world, but he decides he would rather remain human with Susan and wishes for Rawkins to be white once more.
Split into simpler sentences: For a brief moment he considers using the final wish to retain his leprechaun status and return to the fairy world. Instead he decides he would rather remain human with Susan and wishes for Rawkins to be white once more.