I don't need a friend who changes when I change an...

Who said "I don't need a friend who changes when I change an... "?

"I don't need a friend who changes when I change an... " is one of a famous quotes by Plutarch. Complete quote is as follows;
"I don't need a friend who changes when I change and who nods when I nod my shadow does that much better."

What is "I don't need a friend who changes when I change an... "?

"I don't need a friend who changes when I change and who nods when I nod my shadow does that much better." This is a quote by Plutarch which is about Change & Friendship. He is known to have been associated with numerous other thought provoking quotes on these topics like;

• The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.
• Our scientific age demands that we provide definitions, measurements, and statistics in order to be taken seriously. Yet most of the important things in life cannot be precisely defined or measured. Can we define or measure love, beauty, friendship, or decency, for example?

What does "I don't need a friend who changes when I change an... " mean?

This quote is primarily about Friendship although it also includes other themes like Change & Friendship. It is attributed to Plutarch. Complete quote is as follows;
"I don't need a friend who changes when I change and who nods when I nod my shadow does that much better."