Unpopular opinion: I don’t agree with the “you have to share” rule
Anyone who has children or has spent any amount of time around them has run into this problem. Any time a child picks up a toy, there is another child who wants to play with that toy too. And there you go: crying, hitting, pushing, and tantrums from both parties. Instead of trying to teach children to share, we should encourage children to wait for their turn.