Being judgemental is bad, we tend to think, but using our judgement is essential. So how do we distinguish between good judging and bad judging? Having a lower opinion of some people than others has to be okay, surely, even if one's aim and wish is to be all-forgiving and grudge-free. Sophie and Helen Acton discuss the ways in which our own ethics and opinions in relation to infidelity and meat-eating, among other things, can influence how lenient/empathetic we're able to be where those issues are involved.