...the picture of yourself you are projecting ...(Para. 7)
project oneself: present or show one's qualities
The student tries to project himself in order to make a good impression on the new teacher. 那位学生设法表现自己以获得新老师的好感。
Not many people understand that body language also helps project one's self in a certain way. 形体语言在某种程度上可以表现自我，这一点不是许多人都知道的。