How accurate is his self-assessment?

Mr. Wilko states he is a social drinker and “can stop at any time.” How accurate is his self-assessment? What stressors are present in Mr. Wilko's case? Why does Mr. Wilko continue to increase his alcohol intake? What changes in liver function can Mr. Wilko expect if he continues to drink large amounts of alcohol? Is this acute or chronic gastritis? What factors may lead to the development of gastritis? What investigation should be performed? How can the patient be treated?