A. The life cycle of a butterfly
Many cameras have a "sport-shot" or "fast-shot" mode. These should be used to ensure you get the high-speed things in the best quality possible. If it is outdoor, you should use low exposure while if it is indoors, you should use a medium-low exposure. Of course, you should make sure your camera is charged/ has batteries and that you have a charger/ more batteries with you.
At the very beginning of the novel, he is curious and has a thirst for knowledge, but half-way through he goes through a state of despair where he feels that nothing can go right for him again.