Do you remember, in the episode "3x02 - The Kids Are Alright" that Dean was visiting an ex-girlfriend, Lisa, and met her son, Ben, Who is very similar to Dean, by the way.
Well, Dean was impressed with that similarity, not only physically but in the attitudes of the boy.
However, when he asked to Lisa if Ben was his son, she denied his paternity, saying that the boy was a result of involvement with a biker with scars and no fixed residence!
Tell me, do you really believed in her story?
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