Signs He Is Cheating
Reviewed by certified relationship advisors
The most reliable signal of infidelity isn't any single behaviour — it's a change from what was normal for your partner.
Common behavioural shifts: A newly guarded mobile. Absences explained in too much detail. Emotional withdrawal. Changes in your physical relationship. An unusual defensiveness over ordinary questions.
Emotional infidelity — an intimate connection with someone else that should be reserved for you — is often more painful than a physical affair. It involves repeated choices to invest emotionally in another person.
Why people cheat: Personal crisis, seeking external validation, a relationship that has already ended in their head but not been voiced, an unspoken need within the relationship. None of these removes responsibility — but understanding the cause helps you decide what to do next.
In Britain specifically: We tend towards understatement even in crisis — which can mean warning signs get minimised with "I'm sure it's nothing." If your gut is telling you something persistently, that deserves a conversation rather than quiet dismissal.
How to raise it: Calmly, from "I feel" rather than "you did." At the right moment. Not looking for a confession — looking for the truth and an honest conversation about where you both are.
Explore → for a personalised analysis.
Related articles:
Topics