Hello everybody, I am new at taking care of plants so I appreciate any advice. I have been having a lot of trouble with this plant as of late. I found brown scale on it a few months ago and have been treating it with horticultural oil. I haven’t seen much scale lately but the leaves are falling off now. I pick up a handful of leaves off the ground every day now. New growth is discolored and some of the stems seem very dry and brown. The leaves that fall off some somewhat healthy. I don’t know what to do. I will attach some pictures- thank you! i bought it from Home Depot, I water about 1x week depending on how the soil feels. Partial light.