When Jiang Yu fell for someone, he thought he must be sick. But the doctor said, "Sick? What the hell are you talking about? You're perfectly healthy!" (Haha, a little corny.)
Yu Yixiao devoted his whole life to his country, only to meet Jiang Yu. He kept insisting he hadn't fallen for him, but matters of the heart aren't decided by a stubborn mouth. They're decided by the heart.