You have read the PMBOK cover to cover, joined three different study groups, taken every practice test you could find online, and somehow your mock scores are still not where they need to be. The frustration of putting in that much effort and still feeling unprepared is exactly what pushes good project managers to the edge of typing "take my PMP test for me" and genuinely meaning it this time rather than just venting into the void.
Here is the honest breakdown of why so many experienced PMs hit this wall — the PMP test is not measuring how good you are at managing projects. It is measuring how consistently you can identify PMI's preferred response to a situation even when two or three of the answer options look completely reasonable to anyone with real project experience. That is not a knowledge problem, that is a test strategy problem and those require completely different solutions.