If you are asking “is my partner’s online behavior cheating,” use this 6‑step digital boundary assessment to move from a gut reaction to clear, dated observations so you can decide whether to ask questions, negotiate boundaries, or seek professional help.
If you’re asking ‘signs cheating was planned not accidental’, the clearest signal is a cluster of coordinated changes across digital, social, and financial areas that repeat over several weeks.
This guide helps you identify whether an affair reflects a growing trajectory toward someone new or a one-off lapse. Use behavioral markers and a short diagnostic to choose proportionate next steps.