We really thought it was the kind of stuff you find on a bathroom wall in a damp house. To find it in the bed you sleep in is really a surprise.

186

Maybe, for normal people, it is not a bad thing. Maybe we need fungal exposure as press-ups for our immune system. On the other hand, maybe as we've changed to synthetic bedding from feather bedding, the flora and fauna have changed, too. We don't know.

152