It’s possible to escape their surveillance, sure. They’re not godlike. They’re not even like Google or the NSA. But you do have to work at it. The best way is to entirely get rid of your current identity and start a new one. Like witness protection, only more so.
Most of us do it every fifteen years or so. The transition is a hoot. You hop from one subway to another, buy tickets on one plane and actually take a flight someplace different, basically be insanely effective at losing a tail, and when you’re all done, you come out as someone else far far away.– Ox
P.S. But I don’t think they’re after you. I don’t think they even know you exist. She does, of course, but I think they live on in blissful ignorance. Also, she’s on your side, kind of, and probably wouldn’t let them touch you even if they did find out.