There is no doubt about it, achieving and maintaining weight loss long term is a great challenge. Primary care nurses have a significant role in motivating patients to adopt a healthy lifestyle and to persevere with weight management programmes. In the last issue of BJPCN we looked at how to raise the tricky subject of obesity with patients. This time, we continue the issue by exploring how practice nurses ensure a positive working relationship with their patients with weight problems and encourage them as they tackle the long-term issue of obesity.