The only thing you want is to come back alive.
I had to work with a psychiatrist.
The only limit is the one you set yourself.
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 base jumped off the Jesus statue in Rio de Janeiro.
I would've never dreamt that my skydive would trigger such gushing enthusiasm. I still don't really understand exactly what I've accomplished, although I always suspected it would be a truly spectacular moment.