Separate signs from proof
The book grades warning signs by evidential value and repeatedly distinguishes ordinary changes from verified contradictions.
New book · Adrian Vale
How to Detect Infidelity
Recognising warning signs, separating suspicion from evidence, and making informed decisions. A practical guide for people who need clarity without turning uncertainty into surveillance or accusation.
£19.90£6.99
Introductory price · first 100 sales
Interactive PDF · 213 pages · 47 chapters · instant download after payment
Use a structured process
Work through observation, alternative explanations, timelines, conversations, decision checklists and practical next steps.
Stay within ethical boundaries
The guide explains why suspicion does not justify illegal access, covert monitoring or invasive checking of a partner's private accounts.
Free chapter
50 Common Warning Signs of Infidelity
Read the complete Chapter 26 free. It covers phone behaviour, routine changes, appearance, relationship changes, honesty, money, travel and the overall pattern, with innocent explanations beside every sign.
Interactive self assessment
Is my suspicion reasonable?
Nine questions based directly on Chapter 27. The test weighs duration, independent signs, concealment, contradictions and alternative explanations. It is not a diagnosis or probability of infidelity.
Inside the book
A complete decision framework, not a list of accusations
The book covers early warning signs, behavioural patterns, digital behaviour, emotional and sexual changes, money, work and travel, communication, contradictions, evidence quality, ethical boundaries, confrontation, outcomes, rebuilding trust, separation, case studies, decision tools and appendices for quick reference.
Its central principle is simple: suspicion is not evidence, and one sign is not proof.
Secure checkout
Get How to Detect Infidelity now
£19.90£6.99
£6.99 for the first 100 confirmed sales, then £19.90. One payment. Interactive PDF download after SumUp confirms the payment.
Payment is processed by SumUp. The £6.99 introductory price applies to the first 100 confirmed sales. From sale 101 onward the price is £19.90.