1. mysterious, thoughtful, anxious
2. This seems to represent many aspects of his personality and some of his emotions, such as anxiety, intelligence, power, and loneliness.
3. I think this picture is the strongest of the four because of the composition and exposure. It is also thought provoking and makes you ask questions.
4. The only weakness is the darkness in the other pictures. It would be nice to see them lightened up in Photoshop.
5. Continue taking photos like this one!