If the leaves are turning like paper your ping is going into hibernation and will disappear into the compost and produce gemmae (baby pings) and re-imerge
next spring.
Hello Jonny_P.
Welcome to the forum. I started with 1 sarra now have hundreds. Every time I buy another one the 2 questions are how much did it cost and where are you going to put it.
Go deaf and carry on.