1, especially little boys like little girls mostly because they are beautiful or study well, or they can play together. Without adult thoughts, it is pure love.
2. Boys in primary schools like girls. Generally speaking, they often take the initiative to find girls to play, help girls do some small things, and like to talk to her. At this age, I know the difference between the sexes, which is very simple, so parents should not interfere too much with their children's normal communication.
3. Of course, there are some senior pupils who will be precocious. But children of this age will have no problem in middle school as long as adults guide them correctly, do a good job in sex education and don't give them too much mystery.