Meditations
. Alcohol,(beer in this case) can be used to relax before training. Just a small amount does the trick, especially  for someone with lower than .5 percent body fat.
 Its like a potion. A little bit can be of benefit at times. Too much can be a hindrance.
~A little bit can relax you enough that you may avoid injury that you could have possibly suffered due to tightness.
~Too much could cause injury due to reckless technique.
Meditate on these things.