Where Warmth and Cold Collide

Chen Chaoyang might never have expected that one day she would see Lin Xin again. She thought Lin Xin was living happily somewhere in this world, and that she herself probably wouldn't see her again for the rest of her life. When they met again, Lin Xin no longer remembered her. It didn't matter. Whether she remembered or not made no difference. I would make her happy. What color do warmth and cold make when they blend?