There are some legal steps you can take to reduce the need for a professional guardian. Durable power of attorney for health care. This must be in place before you become sick and must be signed by two witnesses.
Guidelines are available through many senior centers, hospitals and other organizations.
Durable power of attorney for other. This lets you choose in advance someone to handle your finances or whatever specific issue you want. Critics say this system is less reliable than guardianships because there is no court oversight. Supporters say that is its strength. Key is giving this power to someone you trust and talking in advance about your wishes.