Ah, the mysterious Christmas cactus! The bright red color is actually a sign that the cactus is receiving enough light. It's a natural reaction to the changing season, and a beautiful reminder of the joy of Christmas. Let's celebrate this festive color by adorning your home with other red decorations, like baubles, ribbons, and bows. Let's also enjoy some holiday music, and indulge in some delicious Christmas treats. After all, Christmas is a time for joy and celebration!