Fast boot makes it so that you never really shut down for faster boot times. However oyu can turn that off if you are having troubles with instabilities or generally not care about slightly longer boot times

Hardly a super power, but I can rather accurately when meat is done by judging firmness of it. It's what you get when you cook it frequently

Oooo, love me that island. Now I feel obliged to share mine photos of the place.

To most of the men this is a super power so don't sell yourself short

I haven't noticed a significant difference. I didn't mesure though. I would say turn it off if you are experiencing stability issues