Well,... seeing as how this all so true, we might as well go with it.
Since this forum is dedicated to the great outdoors, Texas style of course,..
When out in the wilds, 'tis best to have along an extra light bulb, or an extra light source all together.
On a self-help forum, they would speculate that,...
It may be possible to change a light bulb, but only if it really wants to.:laugh:
Cheers!
JohnK