Aminda Huynh has experienced the horrifying moment of discovering her mother's body lying in a pool of blood more than once.
Since the murder in September 2012 she has relived it time and time again.
"Immediately after mum's death I had trouble sleeping. I kept seeing mum's body, the pool of blood," she told the Supreme Court on Thursday.
"I saw the image whenever I closed my eyes or whenever I was left alone."
Her mother Kim Lien Huynh died in September 2012 from a combination of neck compression and sharp and blunt force injuries to her head.
Her new husband Tony Thao Do was found guilty last month of the 54-year-old's murder.
During his trial, the court heard Aminda Huynh returned home to Cabramatta from work on September 13, cooked chicken pies and watched television.
It was not until hours later when she turned on the light in the home's stairway that she saw into the front room and discovered her mother's body.
Since then, the 22-year-old says she has had to endure being considered an initial suspect while coming to terms with the grief of losing her mother.
"I can never make her the grandmother I know she always wanted to be or simply give her a hug," Aminda said.
Her elder sister Alice said her mother - a bubbly, vibrant and kind woman - had come to Australia from Vietnam as a refugee and spent her life making sacrifices for her three daughters.
When her mother struck up the new relationship with Do and he went to live with them in 2011, Alice said it seemed as if everything was "roses and hearts".
But things deteriorated.
"Not a single day goes by where I feel I should have dug more deeply (to find out what was wrong)," she said.
Do first claimed he had not known of the death until he received a phone call from Aminda.
Later, he told police he had discovered his wife on the floor and, believing she had "fainted or fallen", tried to pick her up but got scared and ran away.
The sentence hearing continues.
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