Barrier methods of contraception compromise the deep act of physical union between two spouse and, perhaps subtly but nonetheless inevitably, this will play itself out spiritually and emotionally. (faith.org.uk)
At times it gave promise of a more complete physical union. (religion-online.org)
And yet her depictions of the sexual union between man and woman have an unmistakably mystical dimension rooted in the spiritual and physical union of opposites. (bpigs.com)