Internet memes. Said boyfriend's online name contained the name of his ex-girlfriend. On a whim, I asked him: "Why are you called Haitang?" He paused and replied: "It's random. If you don't like it, I'll change it." "I didn't think much and urged him to take a shower. I turned around and put his mobile phone on the bedside to charge. The next second, a message popped up on his mobile phone. [I have returned to China and want to see you.] The person who sent the message was called Xu Tang.