http://stress.about.com/od/relationships/a/types_of_advice.htm
http://stress.about.com/od/relationships/ht/handle_advice.htm

A couple of people I know are very good about
giving unsolicited advice. At times, it's
annoying, but I've learned to deal with them...
Besides, I've looked into the lives of these
people and they don't "practice what they
preach..."

"Physician, heal thyself"
http://www.phrases.org.uk/meanings/281850.html