Spying on partner or demanding a second by second replay of the day is like putting spouse on a performance improvement plan (PIP). The trust is broken. Really the only purpose is for either is documentation to justify going your separate ways. It can happen but rarely does anyone improve under scrutiny of such actions and moral for all goes downhill.

A family member exclusively does collaborative art. Every time I pointed out a detail I enjoyed it was that completed by their collaborator. After that I just fell back on “That looks good/cool” to stop putting my foot in my mouth.