Mr Smith, 57, first had sex with a car at the age of 15, and claims he has never been attracted to women or men.
But his wandering eye has spread beyond cars to other vehicles.
And since most child molesters are men, she said it makes sense to ban them from watching over her child.
She said she trusts the children's father and one male teacher, but no other men - not even her father, or father-in-law.
Michelle tried to leave her husband but he threatened her and beat her more.