In the wake of tragic , renewed attention has been placed on his close-knit relationships with his co-stars. And such was definitely the case with . 

The award-winning actress made sure she was there for her co-star, who revealed back in 2022 the extent of his in an interview with while promoting his memoir .

When the Chandler Bing actor shared a video featuring details of the book on social media earlier in the month, Jennifer was one of the first to like it, along with Phoebe Buffay actress .

In an interview with earlier in the year, meanwhile, Jennifer revealed that she had no idea just how much Matthew was struggling during their time filming

.

She said: "I didn't understand the level of anxiety and self-torture that was put on Matthew Perry if he didn't get that laugh, and the devastation that he felt. Which makes a lot of sense."

In his interview with , Matthew said he was on and off the wagon with his addiction to alcohol while filming .

The actor said that he thought he could handle it and there would be lengthy periods of time when he was clean. However, at one point he confesses that he was down to 128 pounds and taking 55 Vicodin a day.

"I didn't know how to stop," he said.

"If the police came over to my house and said, 'If you drink tonight, we're going to take you to jail,' I'd start packing. I couldn't stop because the disease and the addiction is progressive.

"So it gets worse and worse as you grow older." Matthew insisted his castmates, including Jennifer, Lisa, , , and "were understanding, and they were patient," but ultimately he could only help himself.

He has been to rehab no fewer than 15 times and although he continues to battle the demons, he told the outlet: "I'm pretty healthy now," and then joked: "I've got to not go to the gym much more, because I don't want to only be able to play superheroes. But no, I'm a pretty healthy guy right now."