He should have bounced back. He didn't. 41 years old, three or four drinks on a Friday night with friends, the same drinks he'd had since his late twenties. By Sunday afternoon he was still flat on the couch, foggy, puffy, and quietly Googling things like "liver damage symptoms" with his phone tilted away from his wife.
If you're 35 or older and your hangovers now last into Monday, if you've started noticing the morning mirror looks ten years older than it should, if two beers at dinner Wednesday means brain fog through Thursday, if your last blood test came back "slightly elevated" and your doctor told you not to worry but you've been worrying ever since, there's a specific reason this is happening to you, and almost no one in mainstream medicine is explaining it correctly.
It's not aging. It's not willpower. It's not just "drinking too much." It's something measurable, mechanical, and until now, almost completely unaddressed in the supplement aisle.
What follows is the explanation most men your age have never been given. Once you understand it, the last several years of feeling progressively worse after drinking will suddenly make sense.