So I finished my first week as an official teacher . It 's actually MY classroom and somehow ( despite the 12 + hours I ' ve spent there almost everyday for the past 2 1/2 weeks ) , it still has n't fully hit me . I ' ve spent so long waiting for my career to begin and it finally has .

Available choices: (1). They are getting educated in a classroom .; (2). None of the above choices .; (3). They are finally a student in the classroom .; (4). They are finally a teacher .;
Answer the following question: Why does the narrator seem to be in so much awe ?
(4).