Denise Richards and Charlie Sheen. .?

What is up with Denise? Does anyone else find her to be slick and annoying? I mean she and Heather Locklear were friends, she couldn't find anyone else, but her best friends husband to sleep with??? And after all that she and Richie Sambora didn't work out after all. . .lost the man and lost a friend. Then all this stuff with Charlie, which I'm half inclined to believe because she became so jaded after her stunt with Heather to me. . that I wonder what's wrong with her???