It shows the doer of the action.It comes before verb and indicates this action or work is done by it/him/her etc.Ex.Susan switched off the lights. Who switched off the lights? The answer is Susan (subject of the sentence)
Answer:
Not having hand sanitizer or tissues. Or being sick or someone else being sick, also do not sneeze shake hands, or hug someone when you are sick.
Explanation:
Usher tries to explain the nature of his illness; he suffers from a "morbid acuteness of the senses." He can eat "only the most insipid food, wear only delicate garments," and he must avoid the odors of all flowers.
Characters: Roderick Usher
Author: Edgar Allan Poe