What's so funny about this?

at the last day she appeared, she met you at a dessert shop with a woman named Zhao Lili. There was a minor altercation between the two parties. We would like to ask about the situation at that time.... she eyed Lin Jinran suspiciously, "How did you know all this""I'm able to find out some things, if I put my mind to it." Lin Jin Dye didn't explain why he knew, instead he brought up her identity.Now...