@chrijani7 On the topic of habit, it may be helpful to start waiting until after section 3 to take a break, as you won't get a break until then on the real thing. Also, going to the bathroom (and eating a snack) during break are allowed.
Choosing a topic for a personal statement is ... cannot tell you what your topic should be, because the point ... the statement is not the topic at all. The point is ...
The New York Times has a feature called "Room for Debate," which has about 4-5 essays written about a specific topic. This provides good practice for the comparative reading passage.