Absolutely, not! According to two researchers, Martin Daly and Margo Wilson, “A child is one hundred times more likely to be abused or killed by a stepparent than by a genetic parent. Martin Daly and Margo Wilson show that the mistreatment of step children, long a staple of folk tales, has a solid basis in fact.” (The Truth about Cinderella: A Darwinian View of Parental Love, Yale University Press, 1999)
Jesus said “It were better for him that a millstone were hanged about his neck, and he cast into the sea, than that he shall offend one of these little ones.”(Luke 17:2)
Do not bring unrelated strangers or partners into the family home! Protect the children of the first family! Do not commit adultery!