I purchased my fiddle leaf fig in early January from a local plant shop and they potted up for me in the store. I brought it home and placed it near an east-facing window and it seemed okay then two weeks later it started dropping its bottom leaves. It's been about a month and I'm not sure what to do anymore to keep it alive. I'm considering ordering a warm air humidifier but any other tips would be greatly appreciated. The first photo is when I first purchased the plant, and the second photo is from today.