How old am I?

A kid goes up to his father and says, "Hey, Pop, know how old I am today? "His father says, "No...how old? "He says, "I'm eleven! "He goes into the kitchen and says to his grandmother, "Hey, Grandma, knowhow old I am today? "She says, "Come closer... "She unzips his jeans and reaches her thin, spotted arm down into his underwear. She fondles his genitals for a few minutes and then she says,"You're eleven. "He says, "How could you tell? "She says, "I heard you tell your father. "

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