Probably to make sure she’s not pregnant before doing the x-ray and Ct scan

Probably because sour would make your lips pucker? I think lemons would be more obvious.

Personally I would include it just so that the next homeowner doesn’t curse you when they go to drill something into an expected stud that isn’t there.

What’s his work like? Reading some of the descriptions on his site it sounds like it has some horror elements.