6. They Change Depending on Who They’re Around

Have you noticed someone acting one way with you, but completely different with others? That kind of behavior is another major red flag. Fake people are often chameleons—they change personalities based on who they’re with. Around you, they might seem supportive and kind. But around someone else, they’re suddenly sarcastic, dismissive, or even rude. It can be confusing to witness. You might think, “Which version is real?” The answer: maybe neither. Genuine people stay consistent no matter the crowd. If someone shifts their personality like a costume change, they’re not being real with anyone.