There are many reasons why Arthur and Ariadne have gotten along as well as they have.

"Hey, now, I said it was getting too complicated," she protests, but more amicably than not. "Yeah, I'd agree with that. But I don't see the mechanism. I was in Paris, then here. But it's a different from a dream. There's no...gap in where things happened. I was just here.

Don't suppose the military was also experimenting with teleportation?"