To jump and break the sound barrier will not be a mere record breaking experience or another extreme event that ends once the mission is accomplished.
I'm more a competitive person.
Well, to me, my past accomplishments weren't crazy. They required a lot of skill and careful planning.
I don't like to rate myself; others can do that.
I have a lot of fears that normal people have.
As a little kid, I climbed a lot of trees because I always loved the bird's-eye view.