Is Flirting Considered Cheating? 5 Red Flags Flirting can be seen as physical or emotional infidelity. But views on cheating may differ based on boundaries and rules set within a relationship. When you’re attracted to someone, flirting is a way of communicating that interest through subtle (or not-so-subtle) cues. You may tilt your head to one side, slightly change the tone of your voice, or adjust your posture, for example. Some of these cues may be subconscious, and some may…