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NSW killer kissed stabbed girlfriend

AAP logoAAP 23/08/2016 By Rebekah Ison

As blood poured from a stab wound in his on-off girlfriend's neck, Michael James Quinn gave her a kiss and told her everything was going to be all right, a Sydney court has heard.

Hours later Quinn was a quadriplegic and the woman was dead.

Quinn has pleaded not guilty to the murder of Cherie Vize, who was stabbed in the yard of his family's Wollongong home before he turned a knife on himself in July 2013.

The 27-year-old told a judge-alone trial on Tuesday he gave Ms Vize a kiss and a cuddle after she'd been stabbed out of a sense of "duty" to reassure her.

He said the stabbing was an accident and happened after a struggle broke out when Ms Vize saw him holding a knife to his chest.

"I noticed the blade were in her neck," he told the NSW Supreme Court.

"The first thing I did was take it out and throw it on the ground."

Prosecutor Mark Hobart SC asked why Quinn didn't abandon his alleged plans of self harm and drop the knife when Ms Vize began to struggle with him.

"Because I'm an incompetent and pathetic human being," Quinn said.

"What you are sir, is a murderer, I suggest," Mr Hobart replied.

Quinn told the court he thought Ms Vize, with whom he'd broken up with many times, would have a better life and be free to pursue healthier relationships if he was dead.

He said he woke up in a cold sweat after the pair had sex the night before the stabbing and thought about driving a knife through his chest into his heart.

Mr Hobart contended Quinn had no believable explanation for how Ms Vize sustained four slash wounds to her neck and knife injuries to her right hand.

He asked Quinn whether he had said incorrect things to help his case.

"The reality is that I have no interest in anything other than my own death," Quinn said.

The defence says Quinn, who has obsessive compulsive disorder, may have been of substantially impaired mind when the stabbing took place.

Quinn told the court Ms Vize had advised him to go off medication, which he did around two months before her death.

The court has previously heard investigators found no traces of blood inside the home.

But Quinn says he remembers washing Ms Vize's blood off his hands inside before grabbing a second knife.

The trial continues.

Readers seeking support and information about suicide prevention can contact Lifeline on 13 11 14.

Suicide Call Back Service 1300 659 467.

MensLine Australia 1300 78 99 78.

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