... as a grown man just having a couple glasses of wine with a meal out can get your dangerously close to the legal level, when in reality you are just fine to drive.
I don't think you understand the concept of using BAC to determine impairment. It doesn't matter how big or small you are, it's about the concentration of alcohol in your blood. The only difference between a large person and a small person is the amount of alcohol they need to consume to reach
"Love may fail, but courtesy will previal." -- A Kurt Vonnegut fan