Expert help? This guy is 30 years old. i took him over for someone and went through a major leaf drop years ago. i feel like i should prune or remove something? tallest stems leaves are very dry. green but almost brittle. i will repot soon with Als 5:1:1 as it has been at least 3 years. current soil is mixed with clay balls and has worked great but again, there is alot going on here. how can i help this plant feel its best. Thanks in advance!