People who like dark skin will feel healthier and have excellent physical fitness. If they encounter any manual labor in the future, they can help without much effort. In addition, dark-skinned boys are generally considered to like sports very much, and girls like watching boys play basketball best.
Boys with white skin are just good-looking. It will look cleaner and fresher, but it may also give people a fragile feeling. Mainly if the skin is whiter than girls, girls may be compared, which is embarrassing!
In short, no matter what skin color, it is difficult to change for a while. Girls will not only look at the face value, but also pay attention to personality and other aspects!