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But what's the recommended approach to using cameras inside our home when you have a BPD wife?
Should we ask for an agreement and install the cameras gradually, one by one, making sure she is comfortable with them?
My wife has agreed, and I bought one camera some time ago, but I haven't installed it yet. I told her that it would be for her to see herself. That's true; I want her to get some self-insight from video feedback. But I am not sure if that will make her feel any regret.
I have already shown her some footage from my cell phone, and she didn't have anything to comment on about it. But she was specifically interested in one thing: her own facial expressions. I'm not sure what she was thinking, but I'm afraid that she was proud of being so angry? Because that would make sense since in her childhood she could not get angry at her narcissistic dad; she had to repress it.
I don't think you're going to get the results you hoped from this.
For one thing, you're assuming certain predictable reactions from a person who is mentally disordered. For another thing, pwBPD like to "play for the camera." You think she's going to act herself knowing there's a camera on her? You're just inviting more games. I could imagine her alternatively trying to bait you into conflict & get you to overreact, knowing the camera will record it. Or acting on her best behavior in the room where she knows there's a camera, and doing the opposite elsewhere in the house. And if she forgets the camera's there and it does catch her "in the act," expect her to angrily demand you delete the footage.
In your next post, you mention video feedback can be helpful "at least when used under the supervision of a therapist." That's probably the operative phrase here. You're not using it under the supervision of a therapist, you're thinking you can fix BPD with a gimmick, and that's just not likely to happen.
I would not waste my time or money like this.
I think a camera is only really useful here to the extent it's
hidden, and can catch candid scenes of the pwBPD's negative behavior, which can then be used either to defend yourself against false accusations, or prove she's abusive (to what end, that's an entirely different discussion).
And of course, while it's legal to install a camera on your own property, there are a lot of legal gray areas there that could get you in trouble, for example, if you're recording third party guests in places they might have an expectation of privacy, even in your home (bathrooms, bedrooms, etc.).