A man's personality shifts and mounting "grumpiness" proved to be warning signs of a killer tumour. Jean Gurrey, 69, dismissed her husband Mark's, 70, bad temper and irritability as him simply "just liking a good moan". At the same time, Mark, an avid golfer, started suffering mini seizures. A CT scan subsequently showed that a brain tumour was to blame. Mark had surgery, radiotherapy and chemotherapy through NHS standard treatment, which caused devastating side effects including severe