INS and depressive symptom measurement: “With ST we started off by getting an understanding of our condition and that gives you more of a knowledge of why you’re reacting the way you’re reacting or why you’re doing the things you’re doing rather than that’s just because you’ve got depression- and for me, that makes a lot more sense... It’s like explaining to a diabetic why their body doesn’t produce the insulin, it’s like explaining to us why borderline personality has come about” (patient 5206).