Robert Crawford is accused of murdering his wife Frances and staging an accident.
The jury has been shown text messages the couple sent each other before her death.
Mr Crawford texted his wife saying he missed her hours before she died.
A former RAAF pilot told his wife "I miss you" several hours before he allegedly killed her and staged her death as an accident in Southern Queensland, a jury has heard.
Robert Crawford has pleaded not guilty to the murder of 49-year-old Frances Crawford in July 2024.
Prosecutors allege Mr Crawford caused her death, before manipulating the scene to appear she died in a ride-on lawn mower accident.
The jury has already heard at the time of Ms Crawford's death, Mr and Ms Crawford had been trialling a reconciliation period following a separation.
In mid-2023, Mr Crawford left their Upper Lockyer home after Ms Crawford discovered more occasions of infidelity by her previously unfaithful husband, the jury heard.
On Thursday, the jury was shown months of messages exchanged between the pair before she died, in which they discussed numerous things.
At times Ms Crawford described being unhappy with her husband's lack of effort to repair their relationship, and brought up his past cheating, but on other occasions they shared loving messages.
