One of the fringe benefits in this occupation is you get to nourish the inner child, which means never really growing up, and nothing ever get old. Maybe that's the flip side of being immature; if you look hard enough you can always find some redeeming virtue to being juvenile, I mean "young at heart." Also it helps justify spending valuable time doing something for no particular reason.
But being in your forties and still laughing at fart jokes, I mean, c'mon willya?
Sigh ... add another one to the edit pile...
"Almost everything you will do is meaningless, but it is still important to do it." - Mahatma Gandhi