If he met that person, he recognized it in Xiaoqiang;
If he was in love with that person, he recognized it in Xiaoqiang;
If he was dependent on that person, he recognized it in Xiaoqiang;
If he was separated from that person, he recognized it in Xiaoqiang;
If he was forgotten by that person, Yu Xiaoqiang still recognized him;
If he was told that he would never contact that person again, he could admit it to Yu Xiaoqiang, but why didn't he recognize that person...