I'm glad you are not my Dr... lol I've seen much worse than this pull through.That plant looks to be in rough shape. So lanky. So crispy. I wouldn't waste any more time on it. That thing has had it.
Spot on advice!! A+ REPFirst check the soil pH. Then, feed it a full fertilizer mix with extra Phosphorus & Calcium (Bone Meal), properly pH'd so that feeding the plant will create a soil pH of 6.5. Once the soil pH is corrected and the plant is fed, it may benefit from more light as well.
You want watering cycles to go from very damp all the way to the bottom, to at least the top third of the soil completely bone dry. You may want to water more at a time, less frequently.my temps are in the 75-85 range, hum is a lil low in the 30% soil is roots organic. i water about 2 cups per plant every other day