I'd rather answer this honestly than dodge it, because if you're about to spend $39, you deserve a real answer, not a guarantee I can't actually back up.
What "Not Working" Usually Means
In my experience talking to men who've been through this, "it didn't work" almost always means one of two things. Either they read it once and didn't practice the tools, or there's something underneath the pattern that a book alone can't reach, an unresolved medical factor, a relationship dynamic that's become genuinely adversarial, or an anxiety pattern that extends well beyond intimate situations.
It rarely means the mechanism described in the book is wrong. The mechanism, spectatoring, the proof loop, threat response competing with arousal, is well established. What varies is whether someone actually works the material or just reads it.
What "Working It" Actually Requires
This isn't a book you read once on a Sunday and feel different by Monday. Chapter 5's breathing technique needs to be practiced in calm moments before it's available under pressure. The CBT tools in Chapter 6 need to be written out and reviewed, not just understood intellectually. That's true of any real behavior change, not a caveat specific to this book.
When I'd Tell You to Stop and See Someone Instead
If you work through it consistently for a few weeks and nothing shifts at all, that's useful information, it might mean there's a physical factor worth ruling out with a doctor, or the pattern is more tangled with something else than it first appeared. I say this directly in the closing chapter too. This is a strong starting point, not a replacement for professional support when that's genuinely the right next step.
What I Can Actually Promise
Not a guarantee, I can't offer that honestly. What I can tell you is this is the same framework and sequence that worked for me, built from the actual mechanism rather than generic advice, and it gives you real tools to practice rather than one more article to read and forget.
If you're ready to actually work it, not just read it, it's $39 as an instant download in my Shop