Mormons believe that sexual desires should only be satisfied in heterosexual marriage. Sex is not only for having children but as an expression of a couples unity. Sex outside marriage is banned, and this includes any sexual relations before marriage and necking or petting. Sexual perversions are banned.

Can you kiss before marriage in Mormonism?

Church leaders have stated that outside of marriage passionate kisses, defined as more intense and last[ing] longer than a brief kiss, and prolonged kisses that involve the tongue and excite the passions are off limits.