What could it be that “throbs with both fists and knows only what Salvador knows”?

the answer is the second one.

hooch has about 3% alcohol content so the 5 gallon 90% platinum vodka would be stronger because it has a higher alcohol content then hooch.  

answer: having more negative in their interactions with their child more or likely because of issues with stress and depression.

explanation:

teenage parents may also have less time as they juggle their responsibilities to spend with their child which can make the child feel lonesome and not enough trust was made to create a foundation between the parent and the child.