The answer to your question is 'Tolerance'
Why can he drink and not get hungover? I am trying to understand why he drinks so much. Do alcoholics become so used to alcohol that they no longer become hung over after drinking. I cannot imagine drinking again for a long while after the way I felt today.
Scott Graham Says...
Specifically, it is called, consumption-induced tolerance which includes both speed of recovery when drinking and needing higher quantities of alcohol to get the same effects.
You also hinted at a second question: "I am trying to understand why he drinks so much."
You could easily drive yourself nuts trying to answer that question. IMHO, the answer doesn't matter much at all (I think this is true for most "why" questions).
You might get more by asking "what" -- "What can I do to help him?" "What can he do to help himself?" etc.
Page last updated Feb 03, 2012