Can you pour a REAL standard drink?
According to research most people cannot accurately pour a standard drink.
Let's be honest. How easy is it to convince yourself that you've poured a standard drink when in reality you've poured 1.5 or even 2. Have you seen the Meme with the giant wine glass saying my doctor told me one glass a day is ok? If it was only that simple. In reality if you are trying to monitor your alcohol intake it's far too difficult to guess correctly and far too important to get it wrong.