I don't think arrested-adolescent humor will fade. Maybe the form will change, but I guarantee its replacement will still be based in immature behavior from mature figures.
My weight is this permanent topic that just doesn't fade away. Most days, I am fine with people talking about it. That doesn't bother me as much as how people use the fact to promote their own ventures.
I think it's better to burn out than to fade away... it's better to live out your days being very, very active - even if it destroys you - than to quietly... disappear.
You need some insecurity if you're an actor. It keeps the pot boiling. I haven't yet started to think about retiring. I was shocked when I heard about Paul Newman retiring at age 82. Most actors just fade away like old soldiers.
When I am really into a woman, the way I look at other women changes. The other women on the planet kind of fade away. And the majority of my energy goes to that person.
Once the amateur's naive approach and humble willingness to learn fades away, the creative spirit of good photography dies with it. Every professional should remain always in his heart an amateur.