Washington DC, Sept. 6 -- Actor Charlie Sheen, who was last married to Brooke Mueller before their 2011 divorce, shared that he has been single for some time; however, he is open to a relationship, reported People.

"My romantic life is as uneventful as it possibly could be," said Sheen, adding, "It's been that way for a long time."

Sheen said he is not ruling 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," said Sheen, whose memoir The Book of Sheen comes out September 9.

"I put this at the end of my book, but 'no' is my new favourite word and I put as much value in that as I do in 'love' as I get older,...