I have this plant for some months, but it didn't turn out healthy... About 2 months ago these dark spots began to appear and the leaves wither shortly after. I remove the leaves as soon as the spots appear, but they keep coming up.
I water it about once a week but the dirt seems too wet. I've also used liquid fertilizer a couple of times. Will it be ok?
Here is the whole plant.
The pot has drainage holes. I used dark soil with compost (this was written in its description) and perlite. You can see it here too: