Baden-Clay marriage was on the rocks for years

THREE years before Allison Baden-Clay died and long before she found out her husband was having an affair, her marriage was showing serious cracks.

She told her psychiatrist Tom George that she did not want her marriage to end but they had no sexual intimacy for two years and were in crisis.

Dr George told Brisbane Supreme Court on Thursday that she brought her husband Gerard to see him in June, 2009.

"He was frustrated by Allison's habit of leaving all decisions regarding the running of family to him," he said.

"He knew she was quite capable of making these decisions herself as she would when he was away.

"He also mentioned the fact that there was severe financial stresses with work.

"He resented Allison buying an expensive treadmill which further accentuated their financial difficulties.

"He felt very unsupported and isolated in the marriage.

"He was contemplating ending the marriage but was extremely guilty about the impact such a decision would have on Allison and the children."

Dr George said he last saw Allison on July 29, 2009, just before their wedding anniversary.

He said she had arranged accommodation at the Sunshine Coast for their special day but was not sure what would come of it.

"They were living under the same roof but they were living separate lives," he said.

Dr George said he saw Allison 31 times between 2003 and 2009, and had up to nine phone calls, and he never found her suicidal.

"Beyond that first one or two consultation she was never depressed, she was functioning well, she had plans for herself, she had plans for her children, she was living an active and social life," he said.

Under cross-examination from defence barrister Michael Byrne, Dr George agreed it was not uncommon for suicide to be unexpected even to mental health professionals.

Dr George agreed a person harbouring suicidal thoughts could keep them hidden and a final decision to take one's life could be made quickly.

Mr Baden-Clay has pleaded not guilty to murdering his wife.

The surprise witness of day seven was a Brookfield resident who only made a police statement after speaking to a private detective, who Baden-Clay's defence team had hired, on Sunday.

Stephanie Apps testified that her children were fighting when they arrived home between 9.30pm and 10pm on April 19 - the night Mr Baden-Clay is accused of murdering his wife.

She said went crook at her daughter knocking over a pot at the front door and the teenage girl went running up the driveway.

"I heard a scream. She had apparently run into a spider's web," she said.

"I was actually cringing because the neighbourhood was very quiet."

Ms Apps said it was a short, sharp scream that was "quite loud".

"It wasn't bloodcurdling but it was a startled scream," she said.

"She's terrified of spiders."

Several neighbours reported hearing a scream during that night.

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