Service-user involvement is important in learning disability services. Historically, professionals have struggled to involve service users fully in their care, and behavioural assessments and plans can be lengthy and complex. This article describes how a service user became fully involved in the development of his positive behavioural support plan and participated in training his care team. Involving service users in this way increases the validity and credibility of plans, empowers service users, promotes ownership and improves insight; and is, therefore, rewarding for service users and professionals. The article encourages nurses to be creative in meeting the challenges associated with service-user involvement to promote a person-centred approach.