The Rule of Thirds is a general guideline for how to create an interesting composition which states that any image—painting, photograph, graphic design—should be broken into a grid with two vertical and two horizontal lines, creating nine equally proportioned boxes.
I’m sorry you had to go through that. It gets better with time though
The answer is on the first part; Opening of the Interview. The first part in doing an interview is crucial because this is where you'll establish rapport by giving the purpose of the interview and outlining what the interview is all about. Giving the purpose of the interview also allows to interviewee to be prepared in the next parts of the interview.