The key insight about adults having temper tantrums is often tied to the idea that they didn’t get what they wanted.
Another way to say this is that they didn’t get what they thought was fair.
In other words, they didn’t receive what they believed they were entitled to.
Regardless of who was right or wrong, it was often clear that one side or perhaps both was missing something that they felt they were owed.
Josh Allred's Blog 