You call that a drinking problem? Ha! Here's a drinking problem!
You got a six-pack of beer, 33cl per bottle @ 5.7%. You also have a bottle of whiskey, 50cl @ 40%.
You weigh 70kg and 70% of you is liquid. This particular whiskey doesn't taste good unless you're 0.6‰ drunk, and optimal level of drunk is 1.2‰ for generally good time. Going over 2.0‰ you'll regret in the morning.
A) Do you have enough beer to get to Whiskey?
B) How much of the Whiskey can you drink without regretting it in the morning?