"He then started counting down from ten ... nine ... eight ... seven ... five ... four ... three ... then two ... four ... two ... three. I was getting annoyed.
"He did this two or three times. He never reached zero."
"I said to him 'This had better be a puppy' because we had talked about having one but he said 'It's not a puppy'," she recalled.
"Then it was just silent and I suddenly felt a pressure on my shoulder. I thought an animal had been thrown on me, something was clawing at me.
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"I was screaming 'I can't get it off, I can't get it off'. I must have reached up there at some point and realised there was nothing there, no animal. But there was something rectangular in there. I thought it was a clamp or some kind of Halloween prop because I could feel blood trickling down.
"I shouted, 'This isn't real.' He said to me, 'This is real.' He sounded so calm."
Laura told court that, when she realised she had been stabbed, May appeared holding two knives, saying he was going to kill himself.
He admitted to have been let go from his job the day before and said he planned to kill himself over fears he could not pay the mortgage.
He ended up driving his wife to hospital where she told staff she had injured herself.
She then recalled the moment she broke down in tears as a nurse told her police had been called, because hospital staff could tell she had been stabbed.
"I picked up the knife and rather than injure myself I took it out on Laura," the husband reportedly told a police officer at the hospital.
Prosecution said it was only "by sheer good fortune" that Laura's injuries weren't worse, as the knife narrowly missed her vital arteries.