Kun weighs only 57 kg, less than 120 kg. For his height, he is simply too thin, and his figure should have no meat at all. But what girls like is his face value, and people jump well. When it comes to being thin or fat, girls may prefer thin boys, because thin boys wear more stylish clothes and have tougher faces.
Thin boys are more energetic.
We can see if the models of international brands are all very thin. In fact, muscles are secondary, mainly because wearing clothes can make you more energetic. Look at these stars, and you will know that none of them are fat. Those chubby boys may be cute, but most of them have nothing to do with handsome. There are no girls who don't like handsome guys, so you can't be fat if you want girls to like them. There is really no room for fat people in this world. Both boys and girls tend to like thin people.
There is no denying that thin people do look more beautiful. For example, if you have too much fat on your face, it will become a pie face. Handsome men don't have excess fat on their faces, so those handsome men tend to be thinner, which is why girls like thin boys.
Nothing is absolute.
Of course, people have different preferences and aesthetics. Some people like thin boys, and naturally some people like strong boys. Many girls think that thin boys are more vulnerable, or prefer those boys who are stronger and can bring people a sense of security. Such girls also account for a large proportion, but what is certain is that almost no girls like fat boys.
To sum up, I like thin boys because thin boys are more handsome, and handsome is a basic condition for people to like.