Is it too late to change careers? I too want to visit with a thousand naked strangers.

Does that have to be a career aspiration or could you do it as a hobby?

"Those things happen little by little over time, and I guess there are hints and warnings that, hey, you're being a little too cavalier about what you're doing."  This point hit me.. how many folks simply won't retire when they become jaded because they choose money, routine or the safety of a career over growth and change.

Many people choose money, routine or the safety of a career over growth and change. 

Which is unfortunate because it will be harder for them if they ever to have to change. 

http://pandawhale.com/post/69888/jobs-involving-routine-tasks-arent-growing