You also change as you age. In my current job, I am looking forward to retirement the year after next--when I started it, getting thee opportunity to travel all over the world was great. But now as I have matured, gotten married, and had kids, I want to go places I am interested in, and take my family with to share with them....
It also doesn't help that I have been promoted into management instead of working on the floor with the equipment (which is why I got my project car to start work on after my next business trip...).

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"Light thinks it travels faster than anything but it is wrong. No matter how fast light travels it finds the darkness has always got there first, and is waiting for it." — Terry Pratchett, Reaper Man

441!!!! :)