Am I A Real Polar Bear?

A young polar bear came into his den and asked his mother, "Mom am I a real polar bear?" "Of course you are." His mother replied. The young polar bear asked his father. "Dad, am I a real polar bear?" "Yes, you are a real polar bear." A week passed and the young polar bear asked his parents, "Are grandma and grandpa real polar bears?" "Yes" said his parents. Another week passed and the young polar bear asked his parents, "Are all my relatives real polar bears?" "Yes, they are all real polar bears." Said his parents. "Why do you ask?" replied his mother. "Because," said the young polar bear,"I'm fucking freezing!