To make it more interesting for your audience and form credibility
Paragraph 2 is the only one, from what i can tell, that describes any type of relationship with the dad.
after all, we did love playing a prank on him
Both of the excerpts discuss higher education. The first one discusses the struggle of the high school students to persist in working hard even in the middle of the night to finish their school work and the second excerpt deals with facts and figures to explain the importance of going on to higher education after high school.