Who said "It's not you, it's me."?

This quote is attributed to George Costanza.

It's not you, it's me. - George Costanza

"It's not you, it's me."

George Costanza Relationships

"I'm out there Jerry, and I'm lovin' every minute of it."

"These pretzels are making me thirsty."

"Master of my domain."

"It's not a lie if you believe it."

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."