Around the end of May (which would be the end of Fall here in the southern hemisphere) I bought a small potted Fittonia to keep in my bedroom. As you can see in the picture, by the time it came it was very bushy:
The store I bought it from recommended that I water it (4-5ml) every week or so, but quickly I started to realize that leaves would wither (and then they would just come off, I wouldn't even call it plucking) and sometimes the plant would overall shrivel up. I then started watering it every 2-3 days (also tried to give it more indirect light and misting), and it stopped shriveling up, but there were few leaves left, and some of them looked damaged.
I've been keeping it up and nothing has changed. I can see some small leaves sprouting, but they've been the same size for a long time now. We're nearing the end of winter (although in a tropical country), and the plant looks like this as of right now:
What have I been doing wrong? Water, light, humidity? Can I do something to repair those damaged leaves? Has the growth stopped because of permanent damages to the plant or does it have to do with the seasons? Any help on how to recover this plant would be appreciated.