This week, Charlie Sheen gave a rare new interview on his past behaviour and the Two and a Half Men firing. It's now been 10 years since Sheen was canned from his hit sitcom amid a public meltdown — which the actor is now calling "desperately juvenile."

Charlie Sheen regrets Two and a Half Men-era behaviour

Speaking to Yahoo Entertainment, Sheen explained that he regrets the behaviour that cost him his career. But, looking back, he takes issue with how his "mental health moment" became a spectacle encouraged by the masses.

Sheen said: "People have [said to] me, 'Hey, man, that was so cool, that was so fun to watch. That was so cool to be a part of and support and all that energy and, you know, we stuck it to the man."

But he added: "My thought behind that is, 'Oh, yeah, great. I'm so glad that I traded early retirement for a f***ing hashtag'," referencing how his catchphrases like "tiger blood," "adonis DNA," and "winning" dominated the day.

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Charlie Sheen regrets behaviour that got him fired from Two and a Half Men.

This March will mark 10 years since his firing from Two and a Half Men, which came amid what Sheen called "public and insane events." He explained: "I think it was drugs or the residual effects of drugs … and it was also an ocean of stress and a volcano of disdain." He added, "I was getting loaded and my brain wasn't working right."

Charlies Sheen on "celebration" of "mental health moment"

Though Sheen takes "absolute ownership" of his behaviour, he said: "I was really a guy that needed someone to reach out to and say, 'Hey, man, obviously there's a ton of other s*** going on. How can we help?'

"And instead they showed up in droves with banners and songs, all types of fanfare and celebration of, you know, what I think was a very public display of a mental health moment."

As for the future, Sheen, 55, says "Act 3" is on the way as he's planning a new TV show that will allow fans to "celebrate" him for his work. Last year, the actor also shared a promising health update when he told fans that he's been smoke-free for one year.

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What is Charlie Sheen's real name?