A model city is made from sewn - together dog chews, and a stuffed donkey with a scaffolding pole erection attempts coition with Shanghai's tallest building. (theguardian.com)
If that alone is absent, all the other solemnities, even including coition, are in vain, as the great teacher John Chrysostom attests, who says: Not intercourse but will makes marriage.» (firstthings.com)
Genital coition is the only bodily act intrinsically capable of generating new human life. (faith.org.uk)