What's funny about this joke? Do they think the boy is a woman? Why does he bring sanitary napkins with him when he plays basketball?

Why are clowns funny? This is the joke of this story, because in everyone's impression, sanitary napkins are for girls only, and it is strange for boys to use them, which will make everyone think that this boy has quirks. Everyone is curious about this kind of thing, and they will want to listen to this boy at will, and think of some unknown pictures of this boy, so this is a funny story. In fact, this kind of thing still needs to be explained, but just explain it, don't explain too much, and others should know that joking can't be too much!