You have seen the posts. Someone shares a story about a difficult conversation with a partner and the comments flood in: 'That is gaslighting.' A person talks about needing space from family and the replies call it 'boundary-setting.' Someone describes a week of low motivation and the caption reads: 'my anxiety is speaking.' Psychological language -- once confined to therapy rooms and clinical textbooks -- has become the lingua franca of social media. Words like 'trauma respo