My buddy went to Stonehenge and said he finally got it when the guide pointed out the heel stone, kind of like what @raymartin said about Cahokia. He said it just made sense in a way reading never did.

That "doubled overnight" thing can be a trap. It might have been all air, no real strength left. A fourteen hour cold proof won't fix a starter that's already tired out. Next time, try using it right when it's still climbing, not when it starts to fall back down. A weak starter makes weak bread, simple as that.

Found a free moving box stash behind the Italian Centre.