“When something matters and she cares about it, she doesn’t just let it slide.

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Five years ago today I was freed from four years of wrongful imprisonment." Before having moved in together, the couple had also travelled to Detroit in March 2016 this year.

The case that changed Knox's life forever has recently been re-examined in a new Netflix documentary, with the young woman has revealing how she struggled to find herself under the microscope, including having her sex life constantly examined in the protracted case.

Knox and her then boyfriend Raffaele Sollecito faced charges of sexually assaulting, beating and slitting the throat of a British student, Meredith Kercher, while in Italy.

Knox, who spent four years in jail, was twice convicted and twice exonerated of involvement in the killing, with the case thrown out for good by the Italian Supreme Court in 2015.

“So I look forward to that part of my life that I had always taken for granted growing up and then had to let go of in prison.” • Watch the full episode of People Features: Amanda Knox — My Life After Prison, streaming now on People/Entertainment Weekly Network (PEN).

Go to PEOPLE.com/PEN or download the app on your favorite streaming device. “There’s a playfulness to her that I think seems surprising given how she appears in the documentary,” he says.

She was already engaged in May 2015 when she wrote a review of , a novel co-written by Seattle poet and author Christopher Robinson, and she later met Robinson at a local book launch.

“I was probably the only person at the party who didn’t really know who she was,” Robinson tells PEOPLE.

“I was told that my best-case scenario would likely consist of writing my memoir and then disappearing,” Knox says.