It is not always easy to work together to deal with the illness. The person may not want your help. You and the person may have different ideas about how to manage the illness. Using good communication skills may help to sort out disagreements.
While it is the person’s illness and they need to make decisions about managing it, bipolar disorder that is not treated and managed can have a very negative impact on the person and their family and friends. There are things that may help if the person refuses treatment.
Some people refuse to take any responsibility for managing their illness. It is important to consider your options if the person refuses to take responsibility for managing their illness.