You need to adress a theme so that the audience knows how trajec it is. If you do not express or show a theme, it would be less dramatic. A drama is all about showing expression, scene, theme, costumes, etc.
Hope this helps! :)
Here is a example for this:
My cousin is uptight<span> because he doesn't have a job, and he needs money to pay his mortgage.</span>
Answer:
If you wait you will succeed
Explanation: