Cliff Watts Charlie Sheen, who turned 60 on Sept. 3, told PEOPLE that his romantic life has been "uneventful" for "a long time" "I am open to love again. If somebody walked through the door and it was the right time and you can't deny it ... absolutely. Probably not marriage, though," he explained Sheen, who has five children, has been married three times Charlie Sheen, who was last married to Brooke Mueller before their 2011 divorce, says he's been single for quite some time now. "My romantic life is as uneventful as it possibly could be," Sheen recently told PEOPLE forthis week's cover story. "It's been that way for a long time." The 60-year-old actor, who is celebratingnearly eight years of sobriety, says swearing off love and sex wasn't part of any larger plan when he decided to stop drinking in 2017 (he had already stopped doing drugs). "It wasn't even by choice," he says. "But the girls [daughters Sami, 21, and Lola, 20, whom he shares with exDenise Richards] moved in, and then when they moved out, the boys [twins Bob and Max, 16, whom he shares with Mueller] moved in." Sami Sheen/instagram Sheen continues, "My analogy for it was, there just wasn't enough room in the car. Plus, I spent so much time and energy chasing that for so long. I had to get to a place where I could be alone, but not lonely. I'm there now, which is pretty cool." Never miss a story — sign up forPEOPLE's free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories. Greg Gayne/Getty Sheen says he's not ruling it out love in his future. "I am open to love again. If somebody walked through the door and it was the right time and you can't deny it ... absolutely. Probably not marriage, though," says Sheen, whosememoirThe Book of Sheencomes out Sept. 9. "I put this at the end of my book, but 'no' is my new favorite word and I put as much value in that as I do in 'love' as I get older," he adds. "It's more important to me that Ilikethe people I'm around." Gallery Books Sheen, who recently played a role in the seriesBookie, is also gearing up for the release of theNetflix documentaryaka Charlie Sheen(out Sept. 10). He says he's looking forward to sharing his whole truth about his wild past and notorious struggles with addiction. His once-tumultuous relationships with Richards and Mueller (both of whom are featured in the documentary) are in positive places now. "We text all the time," he says, and he's co-parenting with Mueller, living with one of his teenage twins while the other is in Florida with Mueller. "I think everybody's just tired of bad energy," he adds of their nasty public divorces. "You kind of run out of steam for that." Cliff Watts These days, Sheen says he is just happy to have new projects as well as a great, loving relationship with his parents after they worried about him for so long. "If they didn't live so close, I'd probably move from Malibu," he says of the beach town where he grew up. "Maybe just a house far away, in the middle of a meadow." Read the original article onPeople