A suspicious wife caught her husband spiking her coffee after she fell ill every time he made her one of the hot drinks.
Therese Kozlowski recorded her husband Brian putting antihistamine medication in her drink after setting up cameras in her home.
The mum, from Michigan in the US, had noticed she felt sick and bleary-eyed every time she had her morning coffee.
But it wasn't until last July, she caught her husband of 22 years - and dad to her three kids - in the act.
Brian Kozlowski was handed just 60 days in prison for the poisoning and will only have to serve time on the weekends.
He avoided trial after making a plea deal avoiding a potential term of up to 15 years.
It is alleged that the poisoning carried on for about two months after Therese filed for divorce in May, say reports.
Macomb County Prosecutor Eric Smith called the 60-day sentence "a slap in the face of the victim".
He told "The court seemed more focused on ensuring the defendant’s freedom and ability to continue to work than the victim and her safety.
"It is troubling to think that someone who commits such a reckless crime, putting his wife and so many other people at risk, is able to walk away with such a light sentence."
Prosecutors said the last coffee the defendant made his wife was analysed and found to have 127 milliliters of Diphenhydramine,
According to Therese Kozlowski had made an impassioned plea to the court.
She said: “Brian’s continuous, methodical, and calculated plot to poison me included a complete disregard for human life, including his own daughter, along with hundreds of other drivers who he put at risk every day for weeks.
“I believe this was attempted murder. Once Brian realised he lost me and there was no getting me to stay in this unhealthy marriage, his goal was to eliminate me.”
But Judge Antonio Viviano in Macomb County Circuit Court claimed that the ex-husband “does have a sense of remorse" before handing him the two-month sentence.