Sitting in his current position, the man can't believe how far he's come. He feels a deep sense of gratitude and thinks that this film is the capstone of his career. A capstone is the final part of a project or a period of time that completes it. He believes that he's been an incredibly lucky man and that this movie is the best thing that could have happened to him.
The experience of making this movie was very joyful for him. He enjoyed being with the group of people he worked with and felt happy every day. He thinks that he doesn't deserve any more good things in his life, because he's already had so much. He's had a great role in this movie, and it's been a highlight of his lifetime. He feels like he's landed in a good place and is thankful for it.
The man's story can teach us about appreciating what we have and feeling gratitude for the good things in our lives. We can all try to have a joyful experience every day and feel lucky for what we have. Other important words to remember are experience, incredibly, and role. We should also think about what we deserve and be thankful for what we have.