Why is this dying?
This past spring I decided to try my hand at keeping house plants, having no prior experience. I began with several store-bought house plants and a few I planted myself in small pots.
Everything was going fine until some time in early summer, when nearly all of them quickly died without any clear cause. I'm sure there are a thousand reasons why that might happen to a plant, but it seemed improbable that they'd all die at the same time. I had looked up light and watering requirements, and each got what was proscribed.
I suspected some sort of pathogen, as some of the dead ones displayed a white/grey fuzz of fine filaments, as of a mold. But this was not apparent on all of them.
Anyway, two survived. One was eaten by my cat, leaving this pothos as the only survivor. It looked far worse than this when all the others died, and I'd all but given up on ever keeping anything alive. But it perked up and began new growth; it looked like it might pull through. It continued that way all summer, then three or four days ago began to wilt, and is now as you see it in the photo.
I'm at a loss. I'm sure I've made some nigh-trivial mistake that anyone with any sense for plant care would catch, but I don't know what that might be. Consider me a blank slate with regard to plant care; anything you can tell me will likely be more than I know now.