I take drugs just because in the 20th century in a technological age living in the city there are certain drugs you have to take just to keep yourself normal like a caveman. Just to bring yourself up or down, but to attain equilibrium you need to take certain drugs. They don't getcha high even, they just getcha normal.
The sickness of the mother runs on through the girl, leaving her small and helpless. Liquor flies through her brain with the force of a gun, leaving her running in circles.