Answer: Cholesteatoma
Explanation:
A cholesteatoma is a medical condition in which abnormal non cancerous growth that can develop in the middle section of the ear located behind the eardrum.
It can be a birth defect which is mostly caused by the repeated middle ear infection. In this condition cyst forms that sheds the older layer of skin.
Here, the condition that is seen is Cholesteatoma.
Pessimism would be the term. A pessimist often focuses on the most dangerous or bad outcomes in life, letting it cloud their happiness and judgement occasionally(being a mindset/lifestyle and all).
A chemical need for alcohol is an addiction, or alcoholism.