The Christian Church should be the most pro-sex institution on earth. Let's continue by talking about sex (that is, the marital act), asking what it *is,* and seek to define it in the theological sense without relying on the matters surrounding the topic.
Image taken from here:
https://commons.wikimedia.org/wiki/File:Northern_Italian_School_-_Portrait_of_an_Unknown_Man_and_Woman_(once_called_%27Vasari_and_His_Wife%27_by_Sofonisba_Anguissola)_-_609032_-_National_Trust.jpg