But the bullet ripped through the book and Ruiz died at the scene of a single gunshot wound in the couple's Minnesota home last June.
However, Paulita Ruiz, who said she's forgiven Perez, faulted her for failing to apologize to the family.
The fatal shooting was captured on two cameras that had been set up to record the stunt.
"This comes from the heart, where you shot him", she said during Monalisa Perez's sentencing at the Norman County Courthouse.
Danon calls to end 'despicable pay to slay' policy after ramming attack
According to AFP, since President Trump's declaration, more than 30 Palestinians and four Israelis have been killed in violence. In 1980, the Israeli parliament adopted the Jerusalem Law proclaiming the entire city Israel's undivided capital.
However, on Wednesday, the judge decided that the woman did not intentionally murder her boyfriend and that he was merely the aftermath of a miscalculate and idiotic prank.
On the day of the shooting, Perez tweeted that she and Ruiz were "probably going to shoot one of the most risky videos ever". Pedro dared her to fire a handgun from a foot away as he held a book to his chest that he thought would stop the bullet.
Adding: 'All the insane stuff will on his channel and mine will be our family life!' The bullet passed through, unlike the first book Ruiz showed Perez to convince her to do the stunt.
Norman County Attorney James Brue, made it clear the idea for the "foolish stunt" came from Ruiz, which was the reason for the short sentence, reported the Duluth News-Tribune.
The sentence is below the usual minimum guidelines, but was allowed to stand on the grounds that the stunt was mostly Ruiz's idea.
Skyrim VR hitting Steam next month
It'll be here on April 3, so while we wait, head down to the comments section and let us know if you're planning to pick it up. Initially, Skyrim VR was only announced for PSVR, despite the fact that Fallout 4 VR and DOOM VR were destined for PC.
At the time of her arrest, Perez insisted that her boyfriend had been 'trying' to get her to do the shooting stunt for a while before agreeing.
Perez and Ruiz's channel featured many videos of them pranking each other, doing viral YouTube challenges and life as being teenager/young parents.
Monaliza Perez and former boyfriend Pedro Ruiz. Since Ruiz's death, the view counts on the videos have gone up and the comments sections are dominated by remarks about the shooting. The state is in the midst of a pilot project that is allowing media cameras at sentencings with a judge's consent.
Ruiz's aunt, Paulita Ruiz, told Perez during the sentencing on March 14 that she was at fault for ending her nephew's life. In one such video taken at a fair, Ruiz talks excitedly about someday reaching 300,000 followers.
Met Office issues yellow weather warning for snow
Cold air from the Arctic is heading to the United Kingdom - and we're set to see more snow and ice in the region this weekend. The Met Office say they're unable to confirm at the moment where in the United Kingdom the potentially heavy snow will hit.