'Exert' means to apply force on influence over something else, this can be in a negative or positive way. In this quotation, it means that language, if used correctly, has the ability to express a 'hidden power'. It's also worth mentioning that the simile is relevant as the moon has an influence on the level of tides on Earth.
I think you could perhaps get that someone may have helped him and looked after him in a way that he didn't need to be very independent, George is always helping him and telling him things they don't have.. This could be down to his mental health but also down to his childhood. Just what I got from it..hope it helped a little :)
Explanation:
He asked me where was Raj live .
Hope it helps
Answer: I would rather go to a private highschool because they often provide higher quality education and look great on college applications.