I guess it's a comfort thing. You work up to it over time. Different folks have different comfort levels. I believe that in order to live life to it's fullest, we need to challenge ourselves. For some, that could mean taking a collage course, going to a gym, or just getting your butt off the couch. The older we get, the harder is is. You are most likely the one who will talk yourself out of doing something.
Everyone dies... But not everyone truly lives.
Mike B.