You called it, like clockwork

The sparks are actually coming from the steel and not the stone. Flint is just a very hard and sharp stone that can make tiny bits of steel fly off, heated from the sheer friction.

A different stone that is hard and sharp enough would have the same effect, like pyrite also known as fool's gold. A different metal with, i believe, not enough carbon in it would not work. Thank you for coming to my TED talk.

"Soldlers"

Art basically

Look at him all of a sudden worried about other people

That tracks, Charlotte loved Wilbur like a mother and mothers sometimes violently fuck. Preferably without the children knowing

Accurate, don't forget that Donald Draper is actually a miserable SOB who is not who he's pretending to be

The same could be accomplished by pretending but ok whatever you need to tell yourself I guess

Doubles as a contraceptive

So you're saying it can be done