It seems that certain beers, regardless of their alcohol content, can sneak up on you and get you drunk faster than others. For me, one of these beers is Hopslam. Its 10% is no meager offering, but 36 oz of, say, Leviathan or Hercules (both 10%) doesn't take me to the same level of drunkenness as three bottles of Hopslam. Is this mystery? Is it science, ingredients, or subjective experience?