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Jennifer Aniston's domestic life is more solid than ever but, according to the actress, her fiancé, Justin Theroux, keeps her on her toes.

In a new interview with Ellen DeGeneres, Aniston, 44, reveals that Theroux, 41, likes to hide and, then, surprise her.

"He calls it trickery," she says. "He's constantly hiding behind drapes and I'm constantly scared. It's like, it doesn't get old on me."

Still, she has a plan to get him back.

"Shh," she said. "Here's the thing, I won't do that sort of elaborate scream. I'll sneak up and then once I hit the body, then scream."

Trickery aside, Aniston has a lot on her plate. Not only did she just produce a new TV movie for Lifetime, "Call Me Crazy," but she also said recently that she has quite a bit of wedding planning left to do.

She said Tuesday that she doesn't have a wedding dress yet, and joked about coordinating her big day: "[It] might make me crazy."