He clenched his fist in sadness and anger and brought it down onto the table. The table vibrated, and how he wished that those vibrations could carry off all the anger and sorrow that was contained within him.

The table continued to tremble for a while.

A tear rolled down his face. Quickly, he lifted his hand and wiped the tear drop off his face with his sleeve. He felt ashamed of himself. He should not be feeling sentimental over such minute matters.
He should not.

Should. He wondered why he used that word in his thoughts.