Jingjing has a lot of things to do to her friends. Lily knows her again and again. Lily doesn't quarrel with Jingjing. She says to Jingjing, "You taught me to be careful when making friends." Explain that Lili doesn't want to make friends with Jingjing. Lily is a very cultured person, so she said humorously, You taught me to be careful when making friends. Actually, it was my carelessness that made you such a friend. As for introversion and extroversion, it is impossible to judge because words have no expression and tone.