Who said "A favor is only valuable if you're willing to call it in."?

This quote is attributed to Mike Ehrmantraut.

A favor is only valuable if you're willing to call it in. - Mike Ehrmantraut

"A favor is only valuable if you're willing to call it in."

Mike Ehrmantraut Relationships

"A man provides. And he does it even when he's not appreciated or respected or even loved. He simply bears up and he does it. Because he's a man."

"No more half measures."

"I am the man who gets things done."

"You know what business is, boy? It's all about relationships."

"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."