Dear James
I can suggest a great blog for you to read. It's called My Unwelcome Stranger by a NSW man named Denis Wright. You could also google a man called David Bailey, he was a musician who had this tumour but left a great legacy behind.
For our journey my husband showed personality changes long before he was diagnosed and the grand mal seizure he suffered which led to his diagnosis also heralded right sided weakness that only ever got worse.
There is no standard answer, all are different but the harsh reality is that you will lose abilities over time so enjoy every day with all the joy you can muster.
Best wishes to you and your family
Terese.
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