How's your father

"How's your father?" is a question Joel and Jonas always ask people instead of saying "how are you?" 
When they ask Earl this question, he replies by asking the other person how a random member of their family is:
==Sample dialogues==
===Dialogue 1===
*Joel: "how's your father?"
*Earl: "Good. How's your sister?"
*Joel: "Which one?"
*Earl: "The hot one."
*Joel: "Which 'hot' one?"
*Earl: "The one with big b00bs."
*Joel: "Which 'hot', small-chested one?"
*Earl: "The first one I met."
*Joel: "Oh, Anna? She's aight."
===Dialogue 2===
*Joel: how's your father?"
*Earl: "Good. How's Edna?"
*Joel: "She's good, thanks for axing"
===Dialogue 3===
*Joel: "how's your father?"
*Earl: "Good. How's Peter Tretter?"
*Joel: "I have no idea!"
==Fun facts==
Earl's favourite German couchsurfers thought "how's your father" meant something sexual (even though according to Urban Dictionary, it does mean something sexual).