Tension

A man was going to his office on his bike.A girl asked him for lift in his way.He gave her lift.Suddenly the girl became unconcious.He took her to hospital.After an hour the doctor came to him and congratulated him saying You are now father of a boy.He got tension.Then he went to girl.She also said that he is father of the baby.He got more tension.Then Police came.He was medically checked up and reports came that he can never be a father.He took a breath of relief.Then he came home.He got most tension when he thought that if he can never be a father then how did his two children born.