To be fair, for Konsi, sitting there watching someone someone suffer from a debilitating but treatable illness and doing nothing, is probably one of the most stressful possible things she could experience. By acting she is literally removing stress factors from her immediate surroundings so she *can* relax.
I call him not actually having a terrible plague, but rather being a very well disguised undead.
To be fair, for Konsi, sitting there watching someone someone suffer from a debilitating but treatable illness and doing nothing, is probably one of the most stressful possible things she could experience. By acting she is literally removing stress factors from her immediate surroundings so she *can* relax.