'I was convinced my wife was having an affair - but the truth turned out to be even more heart breaking'

A dad who thought his loyal wife was having an affair soon learned the real heartbreaking reason behind his unexplained paranoia.

Andy Hampton's personality began to change from his usual self to distant and apathetic - and he even fell asleep at his son's birth. The 54-year-old became suspicious and thought his wife of three years, Gemma, 37, was cheating on him.

And after the birth of son Henley, the once-doting dad showed an uncharacteristic lack of interest in his family and became forgetful. The father-of-four later found the cause for his bizarre symptoms was a deadly glioblastoma (GBM) brain tumour.

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Gemma said his normal personality returned "instantly" after an operation to "debulk" - reduce the size of - the tumour. Gemma, from Sturminster Newton, Dorset, said: “We got together almost eight years ago and have always been secure in our relationship.

“However, shortly after having Henley, I noticed huge changes in Andy’s personality. I would ask Andy to change Henley’s nappy to which he would say he had a headache and I had to do it.

“At first I thought it was an excuse and that he was struggling adapting to life with two young children. It felt as though Andy wasn’t listening to me, and because I kept pointing out things that he was doing wrong, his paranoia caused him to believe things that weren’t true.

"He kept saying he knew it was all in his head but he couldn’t stop the thoughts."

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Land agent Andy fell asleep at the birth of his son, Henley, in May 2022. And from March to May 2023 Gemma said he was "all over the place" and added: