Using the word "Disappointed" makes everyone feel like you really let someone down. It can make even an adult feel bad. Sometimes maybe not at first but it will stick with them until they correct it. DISAPPOINTED
You call a person stubborn.
As stubborn as a mule.
Stubborn
In Korean, a young boy can be referred to as "소년" (sonyeon), which means "boy" or "youth." For a more casual term, you can use "애" (ae), which is similar to saying "kid" in English. If you're addressing a young boy directly, you might use "얘" (yae), which is an affectionate term.
The cast of The Phone Call - 2009 includes: Svionn Morton as The Young Boy
Don't be so stubborn! The stubborn boy kept arguing that two times two does not equal four. If you're stubborn, you will stick to one idea, and one idea only. --if you know the definition of stubborn, you can probably make zillions of sentences--
Duke
Stubborn!
A stubborn jerk.
not at all they get really annoyed
Yes, his full name is Conner Kent
The cast of The Final Call - 2012 includes: Florian Baron Jonas Remiger as Young Boy