Which lines indicate that the speaker is concerned about what others think of him? my morning coat, my collar mounting firmly to the chin, my necktie rich and modest, but asserted by a simple pin— in a minute there is time for decisions and revisions which a minute will reverse. With a bald spot in the middle of my hair— [they will say: "how his hair is growing thin!"] and indeed there will be time to wonder, "do i dare?" and, "do i dare?".

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

Some stress reducing strategies that a lot is: aromatherapy, yoga, meditation, quiet walks in the park, or listening to relaxing music.