Read about what repetitive heavy drinking (which is what happens when alcoholics start drinking) does to your vital organs. Just another reason to tell your addictive voice to shove it.
Just because drinking alcohol is socially acceptable and even celebrated doesn't mean it's a good chemical to put in your body. The only reason humans can process it in the first place is our liver has the remarkable ability to quickly convert acetaldehyde into acetic acid during the metabolism process.