CLEAN : Usain Bolt to compete in Paris

The transcript discusses the speaker's journey in training and competing, highlighting the challenges faced, the importance of staying motivated, and the experience of competing against younger athletes. The speaker shares insights on confidence, dealing with injuries, and the learning process over the years, emphasizing the need for adaptation and sacrifice as one grows older.

What does the speaker mean by saying they are confident when in great shape?

In what ways does the speaker believe they have become wiser with age?