In anthem, what does equality 7-2521 say he cares about for the first time in his life?

The answer on this question is the International 4-8818. This is Equality 7-2521 only friend and did not tell anyone on the discovery of the tunnel. Hope this is the right answer and would really be of big help then.

constantly changes their schedule.

always on phone a lot more than normal.

c. there are many strengths