3-4 Units a day
" 3 - 4 units per day for men, 2 - 3 for women"
Clearly if you exceed that amount, you're not likely to get serious liver damage overnight. 3 units is a pint of Stella, Strongbow, Kronenburg 1664 or of many other stronger lagers, bitters or ciders. A 175ml glass of wine may be 2 units - but since you're more likely to see 250ml glasses these days, think more like 3 units for a glass!
Given all that, you're past your daily 'safe' limit by your first drink. Erk!
What we need to know is the level of risk associated with breaking this limit. I'm not going to lose much sleep if it turns out that drinking 10 units 4 times a week is pretty negligable risk (but not 100% safe), but I'd like to know at what point things start getting seriously bad.
How are we supposed to respond to such advice when 99% of drinkers will exceed their 3-4/2-3 units a day on a regular basis?
Biting the hand that feeds IT
