Nemesis

It's your liver that judges and processes how much your intoxicated bigger dudes are able to drink more because they can process more of it compared to smaller dudes

That would be your alcohol in your blood, not your behavior.

The content of alchol in your blood is what affects your 1.judgment 2. Motor skills/ reaction time. 3. Vision and other sensory systems and finally 4. Your vitals such as heart and lungs. That is why cops measure the BAC blood alchol level.