A jury has heard how a former escort girl had found her "soulmate" in the man she is accused of murdering.
A former client of Jan Charlton - identified in court as Mr B - was giving evidence on the second day of her trial.
Ms Charlton has claimed she acted in self-defence when she killed Mr O'Brien, 41, at their home near Wakefield, West Yorkshire, and has denied murder.
The divorced businessman was found naked in his blood-splattered bedroom with the axe embedded in his head.
It was later found he had been hit 20 times with the two-feet-long weapon.
Mr B told Leeds Crown Court on Friday that Ms Charlton believed she had found her "soulmate" in Mr O'Brien, despite his possessive nature.
Mr O'Brien had been one of Ms Charlton's clients while working as an escort.
Mr B, said: "She agreed that it was not all hunky-dory.
But she loved him and was meant to be with him and she was prepared to do what he wanted.
"Danny requested that she severed all ties from her previous life - all her friends, all her contacts. I thought it was a bit extreme."
Mr B told the court he met Charlton through the internet company UK Escorts where he first knew her as "Natasha".
He said he booked her as an escort at the rate of £50 an hour and eventually began having sex with her at some of their meetings.
Mr B said they became close and he was concerned about her finances.
They had an agreement in which he paid her £150 to £200 a month mainly for company but occasionally sex at his home.
Mr B also told the court how Ms Charlton had described her sex life with Mr O'Brien.
He said: "She highlighted that he [Mr O'Brien] was sexually active and liked the swinging scene.
"She explained how he did not have many reservations about things he would or wouldn't do. Nothing seemed to scare him." |