The short versionI did better than I hoped in the swim and on the bike , and paid for it with my run . The long versionI was feeling good going in . Really good . At 159 lbs , I was 21 lbs down on my New Years weight .

Question: Why is the narrator feeling so confident ?
Answer: The narrator has lost weight .None of the above choices .The narrator has a lot of intellect .The narrator has a bunch of money .