Crime 'They Always Had Some Drama': Friends Reflect on Romance Between Gabby Petito and Brian Laundrie "There was always something below the surface where things weren't 100% wonderful," says Laundrie's friend, Ben Matula By Chris Harris Chris Harris Twitter Chris Harris has been a senior true crime reporter for PEOPLE since late 2015. An award-winning journalist who has worked for Rolling Stone and MTV News, Chris enjoys prog rock, cycling, Marvel movies, IPAs, and roller coasters. People Editorial Guidelines and Steve Helling Published on September 22, 2021 12:01 PM Share Tweet Pin Email On the surface, Gabby Petito and Brian Laundrie seemed as perfectly-matched as any two people could be. But friends who spoke with PEOPLE say there was often tension between the couple, who'd dated since high school. "One minute, they'd be all over each other, the next minute, he'd be like, 'We're fighting,'" says Laundrie's friend, Ben Matula, describing their relationship when they were teenagers in Long Island, New York. "They always had some drama." Matula, who spoke to PEOPLE exclusively for this week's issue, adds: "There was always something below the surface where things weren't 100% wonderful." Over the weekend, Gabby's body was found in Wyoming's Grand Teton National Park, and officials have since determined her death was a homicide. Meanwhile, the search continues for Laundrie, her fiancé, who hasn't been seen in over a week. Body Found in Wyoming Confirmed to Be Missing 22-Year-Old Gabby Petito, Who Died by Homicide For nearly two months, Gabby, 22, and Laundrie, 23, had been traveling across America in a white, repurposed Ford Transit van. Police say Laundrie returned to his parents' Florida home in the van on Sept. 1, and that he was alone. For exclusive interviews and details on the Gabby Petito case, subscribe now to PEOPLE or pick up this week's issue, on newsstands Friday. Gabby was reported missing on Sept. 11 — more than two weeks after her mother last spoke to her by phone. Laundrie and his parents refused to meet with detectives handling the case. For more on the Gabby Petito case and other top stories, listen below to our daily podcast PEOPLE Every Day. Last Wednesday, Laundrie was named a person of interest in the case. Last Friday, he was reported missing. Laundrie has not been named a suspect in the case. Gabby Petito, Brian Laundrie. Find Gabby/Facebook Alyssa Chen, 23, said her vlogger friend Gabby's on-again, off-again relationship with Laundrie had many ups and downs. A Free Spirit Who Was 'Living the Dream': Inside the Tragic Gabby Petito Case "They had times they were toxic and times where everything seemed a lot more healthy," Chen tells PEOPLE. "They had very low lows and very high highs. But they really seemed to love each other. When things were good, you'd be like, 'Why can't I have a relationship like that?' When they were bad, you'd be like 'Oh my God, just break up and spare yourself from the drama and everyone else from having to hear about it.' " At this point, investigators have yet to say how Gabby was killed, but believe she died sometime between Aug. 27 and Aug. 30. Police believe the relationship between Gabby and Laundrie became more strained during their tragic road trip, according to a newly unsealed search warrant connected to the case. 'If You Have Any Decency Left': Gabby Petito's Family Pleads with Fiancé's Parents to Help Find Her The warrant, filed on Sept. 17, allowed detectives with the North Port, Fla. police to examine an external hard drive in their investigation of Gabby's disappearance. Gabby Petito, Brian Laundrie. Gabby Petito Instagram In the "probable cause for issuance" section of the warrant application, North Port police detective Daniel Alix wrote that texts between Gabby and her mother showed that "there appeared to be more and more tension between her and Laundrie" during the road trip. Alix also lists the "domestic disturbance" between the couple, which led to an encounter between the couple and police that was seen in widely-circulated body cam footage, as a reason he was seeking the warrant. The person who called 911 to report the disturbance said he witnessed Laundrie striking and "slapping" Gabby. Gabby Petito's Father Honors Her After FBI Finds Body Believed to Be Hers: 'She Touched the World' Matula says the tragedy of their road trip has made him reflect upon what he thought he knew about the couple. "The guy who he's being made out to be isn't the guy I knew," Matula insists. "But then I have to look at what's going on and realize that he did some stuff that seems like it was shady — seems like maybe he wasn't on the up and up. And because he did that stuff, a girl might be dead and he might be in trouble. Brian Laundrie, Gabby Petito. North Port Police Department/Facebook "It seemed like they were seeing the world with the person they loved," Matula says. "They were living the dream that all of us want to do. But they were doing it. All their friends were either still in college or searching for entry level jobs, and they're out there killing it. I was jealous, and I know I'm not the only one. I was happy for them." On Sept. 15, PEOPLE spoke with Petito's father, Joseph Petito, who said his daughter was "amazing." Want to keep up with the latest crime coverage? Sign up for PEOPLE's free True Crime newsletter for breaking crime news, ongoing trial coverage and details of intriguing unsolved cases. "She's so artistic. She's an amazing artist. She loves to draw," he said. "She has a great eye with decorating … She's that flower child type of personality. The old soul, you know?" "If Woodstock was still going on, she'd still be there, man," Joseph added. "She's a hippie from the '60s, all right? She's a Beatles fan, round glasses … a free spirit." If you have information on this case, call 1-800-CALL-FBI (225-5324).