The phrase "to need a change" means to feel the desire or necessity for something different, either in one's life situation, routine, environment, job, relationship, etc. It implies that there is an unfulfilled longing within oneself and that things are not as they should be, leading to dissatisfaction and restlessness. The need for change can arise from various reasons such as boredom, stagnation, frustration or the feeling of being stuck in a rut. It suggests taking action towards making improvements, seeking new experiences, exploring different options, and breaking out of old patterns to bring about positive transformation and growth.