Rita smiles at you gratefully. Her blood type is so rare that no match could be found until she turned to the internet and eventually met you.

You were on the verge of giving up on life anyway, so you decided to move near her.

Her visiting nurse, Millicent, finishes drawing your blood and stores it in a small freezer. Due to budget cuts, she's pretty much all Rita has.

Your problems still hurt, and it's clear they're both intensely curious about them, but they feel embarrassingly petty now.