"Of course you can learn! How else are you going to learn! You can only fall in love with so many people." Jingyi says this with a very clear air of superiority. He has not fallen in love with anybody. But look. Look. He has had the sappiest, most ridiculous example of his life in front of him for ages. He knows.

"You can see it," he insists. "People look too long at each other. And they smile all the time even when they should not be smiling. And you can really tell. It is very obvious."

In addition to being an expert in love, he is also great at explanations.