Adult Funny Jokes: You are the father of one of my children

A man goes into the supermarket and notices a very attractive woman waving at him. She says “Hello.”
He is rather taken aback because he can’t place where he knows her from. So he asks, 
“Do you know me?”
To which she replies, “You are the father of one of my children.”
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Now his mind travels back to the only time he was ever unfaithful to his wife. So he asks, “Are you the stripper from the bachelor party that I made love to on the pool table while your partner whipped my behind with wet celery?”
She looks into his eyes and says calmly, “No, I am your son’s teacher.”