"I don't like jealous behavior," the actress, 28, tells Marie Claire for its May issue, on newsstands April 16.
"I don't mind an occasional check-in, but when somebody is passive-aggressively jealous, it's really unattractive because it shows a sort of insecurity. ... Oh, controlling behavior is awful. Nobody's going to say they love that."
She also addresses her marriage to – and divorce from – Ryan Reynolds. They went their separate ways in 2010, after three years of marriage.
"Well, it wasn't that long ago," she says. "But I think I've had a fair amount of time to process the experience and be able to move forward. I continue to get to know myself better as I get older, and that helps me in my relationships."
Courtesy Marie Claire
Furthermore, if she ran the world, her rules would cover both the major issues – and the little ones.
"I would demand investment in finding and using renewable resources," she says, then sounding like a true city girl who scrambles for taxis just like everybody else, she adds: "I was thinking about other things, like cab stealing. I always say, 'You want it that bad, go ahead.' And they're usually like, 'F--- you!' "